diff --git a/authfs/fd_server/Android.bp b/android/fd_server/Android.bp
similarity index 100%
rename from authfs/fd_server/Android.bp
rename to android/fd_server/Android.bp
diff --git a/authfs/TEST_MAPPING b/android/fd_server/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to android/fd_server/TEST_MAPPING
diff --git a/authfs/fd_server/src/aidl.rs b/android/fd_server/src/aidl.rs
similarity index 100%
rename from authfs/fd_server/src/aidl.rs
rename to android/fd_server/src/aidl.rs
diff --git a/authfs/fd_server/src/main.rs b/android/fd_server/src/main.rs
similarity index 100%
rename from authfs/fd_server/src/main.rs
rename to android/fd_server/src/main.rs
diff --git a/guest/authfs/Android.bp b/guest/authfs/Android.bp
new file mode 100644
index 0000000..b11da3d
--- /dev/null
+++ b/guest/authfs/Android.bp
@@ -0,0 +1,52 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+rust_defaults {
+    name: "authfs_defaults",
+    crate_name: "authfs",
+    edition: "2021",
+    srcs: [":authfs_src"],
+    rustlibs: [
+        "authfs_aidl_interface-rust",
+        "libandroid_logger",
+        "libanyhow",
+        "libauthfs_fsverity_metadata",
+        "libbinder_rs",
+        "libcfg_if",
+        "libclap",
+        "libfsverity_digests_proto_rust",
+        "libfuse_rust",
+        "libhex",
+        "liblibc",
+        "liblog_rust",
+        "libnix",
+        "libopenssl",
+        "libprotobuf",
+        "librpcbinder_rs",
+        "libthiserror",
+    ],
+    prefer_rlib: true,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
+    defaults: [
+        "crosvm_defaults",
+        "avf_build_flags_rust",
+    ],
+}
+
+filegroup {
+    name: "authfs_src",
+    srcs: [
+        "src/main.rs",
+    ],
+}
+
+rust_binary {
+    name: "authfs",
+    defaults: ["authfs_defaults"],
+    apex_available: ["com.android.virt"],
+}
diff --git a/authfs/TEST_MAPPING b/guest/authfs/TEST_MAPPING
similarity index 100%
rename from authfs/TEST_MAPPING
rename to guest/authfs/TEST_MAPPING
diff --git a/authfs/src/common.rs b/guest/authfs/src/common.rs
similarity index 100%
rename from authfs/src/common.rs
rename to guest/authfs/src/common.rs
diff --git a/authfs/src/file.rs b/guest/authfs/src/file.rs
similarity index 100%
rename from authfs/src/file.rs
rename to guest/authfs/src/file.rs
diff --git a/authfs/src/file/attr.rs b/guest/authfs/src/file/attr.rs
similarity index 100%
rename from authfs/src/file/attr.rs
rename to guest/authfs/src/file/attr.rs
diff --git a/authfs/src/file/dir.rs b/guest/authfs/src/file/dir.rs
similarity index 100%
rename from authfs/src/file/dir.rs
rename to guest/authfs/src/file/dir.rs
diff --git a/authfs/src/file/remote_file.rs b/guest/authfs/src/file/remote_file.rs
similarity index 100%
rename from authfs/src/file/remote_file.rs
rename to guest/authfs/src/file/remote_file.rs
diff --git a/authfs/src/fsstat.rs b/guest/authfs/src/fsstat.rs
similarity index 100%
rename from authfs/src/fsstat.rs
rename to guest/authfs/src/fsstat.rs
diff --git a/authfs/src/fsverity.rs b/guest/authfs/src/fsverity.rs
similarity index 100%
rename from authfs/src/fsverity.rs
rename to guest/authfs/src/fsverity.rs
diff --git a/authfs/src/fsverity/builder.rs b/guest/authfs/src/fsverity/builder.rs
similarity index 100%
rename from authfs/src/fsverity/builder.rs
rename to guest/authfs/src/fsverity/builder.rs
diff --git a/authfs/src/fsverity/common.rs b/guest/authfs/src/fsverity/common.rs
similarity index 100%
rename from authfs/src/fsverity/common.rs
rename to guest/authfs/src/fsverity/common.rs
diff --git a/authfs/src/fsverity/editor.rs b/guest/authfs/src/fsverity/editor.rs
similarity index 100%
rename from authfs/src/fsverity/editor.rs
rename to guest/authfs/src/fsverity/editor.rs
diff --git a/authfs/src/fsverity/metadata/Android.bp b/guest/authfs/src/fsverity/metadata/Android.bp
similarity index 100%
rename from authfs/src/fsverity/metadata/Android.bp
rename to guest/authfs/src/fsverity/metadata/Android.bp
diff --git a/authfs/src/fsverity/metadata/metadata.hpp b/guest/authfs/src/fsverity/metadata/metadata.hpp
similarity index 100%
rename from authfs/src/fsverity/metadata/metadata.hpp
rename to guest/authfs/src/fsverity/metadata/metadata.hpp
diff --git a/authfs/src/fsverity/metadata/metadata.rs b/guest/authfs/src/fsverity/metadata/metadata.rs
similarity index 100%
rename from authfs/src/fsverity/metadata/metadata.rs
rename to guest/authfs/src/fsverity/metadata/metadata.rs
diff --git a/authfs/src/fsverity/sys.rs b/guest/authfs/src/fsverity/sys.rs
similarity index 100%
rename from authfs/src/fsverity/sys.rs
rename to guest/authfs/src/fsverity/sys.rs
diff --git a/authfs/src/fsverity/verifier.rs b/guest/authfs/src/fsverity/verifier.rs
similarity index 100%
rename from authfs/src/fsverity/verifier.rs
rename to guest/authfs/src/fsverity/verifier.rs
diff --git a/authfs/src/fusefs.rs b/guest/authfs/src/fusefs.rs
similarity index 98%
rename from authfs/src/fusefs.rs
rename to guest/authfs/src/fusefs.rs
index ab75dac..618b8ac 100644
--- a/authfs/src/fusefs.rs
+++ b/guest/authfs/src/fusefs.rs
@@ -99,9 +99,9 @@
     /// Number of `Handle`s (i.e. file descriptors) that are currently referring to the this inode.
     ///
     /// Technically, this does not matter to readonly entries, since they live forever. The
-    /// reference count is only needed for manageing lifetime of writable entries like `VerifiedNew`
-    /// and `VerifiedNewDirectory`. That is, when an entry is deleted, the actual entry needs to
-    /// stay alive until the reference count reaches zero.
+    /// reference count is only needed for manageing lifetime of writable entries like
+    /// `VerifiedNew` and `VerifiedNewDirectory`. That is, when an entry is deleted, the actual
+    /// entry needs to stay alive until the reference count reaches zero.
     ///
     /// Note: This is not to be confused with hardlinks, which AuthFS doesn't currently implement.
     handle_ref_count: AtomicU64,
@@ -192,9 +192,9 @@
     /// The next available inode number.
     next_inode: AtomicU64,
 
-    /// Table for `Handle` to `Arc<DirEntriesSnapshot>` lookup. On `opendir`, a new directory handle
-    /// is created and the snapshot of the current directory is created. This is not super
-    /// efficient, but is the simplest way to be compliant to the FUSE contract (see
+    /// Table for `Handle` to `Arc<DirEntriesSnapshot>` lookup. On `opendir`, a new directory
+    /// handle is created and the snapshot of the current directory is created. This is not
+    /// super efficient, but is the simplest way to be compliant to the FUSE contract (see
     /// `fuse::filesystem::readdir`).
     ///
     /// Currently, no code locks `dir_handle_table` and `inode_table` at the same time to avoid
@@ -822,9 +822,9 @@
         self.handle_inode(&inode, |config| {
             match config {
                 AuthFsEntry::VerifiedNew { editor, .. } => {
-                    // FUSE ioctl is limited, thus we can't implement fs-verity ioctls without a kernel
-                    // change (see b/196635431). Until it's possible, use xattr to expose what we need
-                    // as an authfs specific API.
+                    // FUSE ioctl is limited, thus we can't implement fs-verity ioctls without a
+                    // kernel change (see b/196635431). Until it's possible, use
+                    // xattr to expose what we need as an authfs specific API.
                     if name != CStr::from_bytes_with_nul(b"authfs.fsverity.digest\0").unwrap() {
                         return Err(io::Error::from_raw_os_error(libc::ENODATA));
                     }
diff --git a/authfs/src/fusefs/file.rs b/guest/authfs/src/fusefs/file.rs
similarity index 100%
rename from authfs/src/fusefs/file.rs
rename to guest/authfs/src/fusefs/file.rs
diff --git a/authfs/src/fusefs/mount.rs b/guest/authfs/src/fusefs/mount.rs
similarity index 100%
rename from authfs/src/fusefs/mount.rs
rename to guest/authfs/src/fusefs/mount.rs
diff --git a/authfs/src/main.rs b/guest/authfs/src/main.rs
similarity index 100%
rename from authfs/src/main.rs
rename to guest/authfs/src/main.rs
diff --git a/authfs/service/Android.bp b/guest/authfs_service/Android.bp
similarity index 100%
rename from authfs/service/Android.bp
rename to guest/authfs_service/Android.bp
diff --git a/authfs/TEST_MAPPING b/guest/authfs_service/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to guest/authfs_service/TEST_MAPPING
diff --git a/authfs/service/authfs_service.rc b/guest/authfs_service/authfs_service.rc
similarity index 100%
rename from authfs/service/authfs_service.rc
rename to guest/authfs_service/authfs_service.rc
diff --git a/authfs/service/src/authfs.rs b/guest/authfs_service/src/authfs.rs
similarity index 100%
rename from authfs/service/src/authfs.rs
rename to guest/authfs_service/src/authfs.rs
diff --git a/authfs/service/src/main.rs b/guest/authfs_service/src/main.rs
similarity index 100%
rename from authfs/service/src/main.rs
rename to guest/authfs_service/src/main.rs
diff --git a/authfs/aidl/Android.bp b/libs/authfs_aidl_interface/Android.bp
similarity index 100%
rename from authfs/aidl/Android.bp
rename to libs/authfs_aidl_interface/Android.bp
diff --git a/authfs/TEST_MAPPING b/libs/authfs_aidl_interface/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to libs/authfs_aidl_interface/TEST_MAPPING
diff --git a/authfs/aidl/com/android/virt/fs/AuthFsConfig.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/AuthFsConfig.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/AuthFsConfig.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/AuthFsConfig.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IAuthFs.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IAuthFs.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IAuthFs.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IAuthFs.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IAuthFsService.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IAuthFsService.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IAuthFsService.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IAuthFsService.aidl
diff --git a/authfs/aidl/com/android/virt/fs/IVirtFdService.aidl b/libs/authfs_aidl_interface/com/android/virt/fs/IVirtFdService.aidl
similarity index 100%
rename from authfs/aidl/com/android/virt/fs/IVirtFdService.aidl
rename to libs/authfs_aidl_interface/com/android/virt/fs/IVirtFdService.aidl
diff --git a/authfs/Android.bp b/tests/authfs/Android.bp
similarity index 60%
rename from authfs/Android.bp
rename to tests/authfs/Android.bp
index e04d5e1..aa814eb 100644
--- a/authfs/Android.bp
+++ b/tests/authfs/Android.bp
@@ -1,51 +1,3 @@
-package {
-    default_applicable_licenses: ["Android-Apache-2.0"],
-}
-
-rust_defaults {
-    name: "authfs_defaults",
-    crate_name: "authfs",
-    srcs: [
-        "src/main.rs",
-    ],
-    edition: "2021",
-    rustlibs: [
-        "authfs_aidl_interface-rust",
-        "libandroid_logger",
-        "libanyhow",
-        "libauthfs_fsverity_metadata",
-        "libbinder_rs",
-        "libcfg_if",
-        "libclap",
-        "libfsverity_digests_proto_rust",
-        "libfuse_rust",
-        "libhex",
-        "liblibc",
-        "liblog_rust",
-        "libnix",
-        "libopenssl",
-        "libprotobuf",
-        "librpcbinder_rs",
-        "libthiserror",
-    ],
-    prefer_rlib: true,
-    target: {
-        darwin: {
-            enabled: false,
-        },
-    },
-    defaults: [
-        "crosvm_defaults",
-        "avf_build_flags_rust",
-    ],
-}
-
-rust_binary {
-    name: "authfs",
-    defaults: ["authfs_defaults"],
-    apex_available: ["com.android.virt"],
-}
-
 rust_test {
     name: "authfs_device_test_src_lib",
     defaults: ["authfs_defaults"],
diff --git a/authfs/TEST_MAPPING b/tests/authfs/TEST_MAPPING
similarity index 100%
copy from authfs/TEST_MAPPING
copy to tests/authfs/TEST_MAPPING
diff --git a/authfs/tests/benchmarks/Android.bp b/tests/authfs/benchmarks/Android.bp
similarity index 100%
rename from authfs/tests/benchmarks/Android.bp
rename to tests/authfs/benchmarks/Android.bp
diff --git a/authfs/tests/benchmarks/AndroidTest.xml b/tests/authfs/benchmarks/AndroidTest.xml
similarity index 100%
rename from authfs/tests/benchmarks/AndroidTest.xml
rename to tests/authfs/benchmarks/AndroidTest.xml
diff --git a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java b/tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
similarity index 99%
rename from authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
rename to tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
index 085d06e..abda3e3 100644
--- a/authfs/tests/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
+++ b/tests/authfs/benchmarks/src/java/com/android/fs/benchmarks/AuthFsBenchmarks.java
@@ -18,7 +18,6 @@
 
 import static com.android.tradefed.testtype.DeviceJUnit4ClassRunner.TestMetrics;
 
-
 import static org.junit.Assume.assumeFalse;
 import static org.junit.Assume.assumeTrue;
 
diff --git a/authfs/tests/benchmarks/src/measure_io.cpp b/tests/authfs/benchmarks/src/measure_io.cpp
similarity index 100%
rename from authfs/tests/benchmarks/src/measure_io.cpp
rename to tests/authfs/benchmarks/src/measure_io.cpp
diff --git a/authfs/tests/common/Android.bp b/tests/authfs/common/Android.bp
similarity index 100%
rename from authfs/tests/common/Android.bp
rename to tests/authfs/common/Android.bp
diff --git a/authfs/tests/common/src/java/com/android/fs/common/AuthFsTestRule.java b/tests/authfs/common/src/java/com/android/fs/common/AuthFsTestRule.java
similarity index 100%
rename from authfs/tests/common/src/java/com/android/fs/common/AuthFsTestRule.java
rename to tests/authfs/common/src/java/com/android/fs/common/AuthFsTestRule.java
diff --git a/authfs/tests/common/src/open_then_run.rs b/tests/authfs/common/src/open_then_run.rs
similarity index 100%
rename from authfs/tests/common/src/open_then_run.rs
rename to tests/authfs/common/src/open_then_run.rs
diff --git a/authfs/tests/hosttests/Android.bp b/tests/authfs/hosttests/Android.bp
similarity index 100%
rename from authfs/tests/hosttests/Android.bp
rename to tests/authfs/hosttests/Android.bp
diff --git a/authfs/tests/hosttests/AndroidTest.xml b/tests/authfs/hosttests/AndroidTest.xml
similarity index 100%
rename from authfs/tests/hosttests/AndroidTest.xml
rename to tests/authfs/hosttests/AndroidTest.xml
diff --git a/authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java b/tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
similarity index 87%
rename from authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java
rename to tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
index d0a7c66..0a27506 100644
--- a/authfs/tests/hosttests/java/src/com/android/fs/AuthFsHostTest.java
+++ b/tests/authfs/hosttests/java/src/com/android/fs/AuthFsHostTest.java
@@ -75,8 +75,8 @@
     @BeforeClassWithInfo
     public static void beforeClassWithDevice(TestInformation testInfo) throws Exception {
         AuthFsTestRule.setUpAndroid(testInfo);
-        assumeTrue(AuthFsTestRule.getDevice().supportsMicrodroid(/*protectedVm=*/ true));
-        AuthFsTestRule.startMicrodroid(/*protectedVm=*/ true);
+        assumeTrue(AuthFsTestRule.getDevice().supportsMicrodroid(/* protectedVm= */ true));
+        AuthFsTestRule.startMicrodroid(/* protectedVm= */ true);
         sAndroid = AuthFsTestRule.getAndroid();
         sMicrodroid = AuthFsTestRule.getMicrodroid();
     }
@@ -114,7 +114,7 @@
         // Setup
         runFdServerOnAndroid(
                 "--open-ro 3:input.4k --open-ro 4:input.4k.fsv_meta --open-ro"
-                    + " 6:input.4k1 --open-ro 7:input.4k1.fsv_meta",
+                        + " 6:input.4k1 --open-ro 7:input.4k1.fsv_meta",
                 "--ro-fds 3:4 --ro-fds 6:7");
         runAuthFsOnMicrodroid(
                 "--remote-ro-file 3:" + DIGEST_4K + " --remote-ro-file 6:" + DIGEST_4K1);
@@ -135,8 +135,7 @@
     public void testReadWithFsverityVerification_TamperedMerkleTree() throws Exception {
         // Setup
         runFdServerOnAndroid(
-                "--open-ro 3:input.4m --open-ro 4:input.4m.fsv_meta.bad_merkle",
-                "--ro-fds 3:4");
+                "--open-ro 3:input.4m --open-ro 4:input.4m.fsv_meta.bad_merkle", "--ro-fds 3:4");
         runAuthFsOnMicrodroid("--remote-ro-file 3:" + DIGEST_4M);
 
         // Verify
@@ -190,8 +189,12 @@
         // Action
         // Tampering with the first 2 4K-blocks of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 0, /* number */ 8192, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 0, /* number */
+                                8192, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -199,21 +202,33 @@
         // when the content is inconsistent to the known hash. Use direct I/O to avoid simply
         // writing to the filesystem cache.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 0, /* number */ 1024, /* writeThrough */ true))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 0, /* number */
+                                1024, /* writeThrough */
+                                true))
                 .isFailed();
 
         // A full 4K write does not require to read back, so write can succeed even if the backing
         // block has already been tampered.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 4096, /* number */ 4096, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 4096, /* number */
+                                4096, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Otherwise, a partial write with correct backing file should still succeed.
         assertThat(
-                writeZerosAtFileOffset(sMicrodroid, destPath,
-                        /* offset */ 8192, /* number */ 1024, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sMicrodroid,
+                                destPath,
+                                /* offset */ 8192, /* number */
+                                1024, /* writeThrough */
+                                false))
                 .isSuccess();
     }
 
@@ -231,8 +246,12 @@
         // Action
         // Tampering with the first 4K-block of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 0, /* number */ 4096, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 0, /* number */
+                                4096, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -258,8 +277,12 @@
         // Action
         // Tampering with the last 4K-block of the backing file.
         assertThat(
-                writeZerosAtFileOffset(sAndroid, backendPath,
-                        /* offset */ 4096, /* number */ 1, /* writeThrough */ false))
+                        writeZerosAtFileOffset(
+                                sAndroid,
+                                backendPath,
+                                /* offset */ 4096, /* number */
+                                1, /* writeThrough */
+                                false))
                 .isSuccess();
 
         // Verify
@@ -470,15 +493,22 @@
         sAndroid.run("test -f " + androidOutputPath);
 
         // Action
-        String output = sMicrodroid.run(
-                // Open the file for append and read
-                "exec 4>>" + outputPath + " 5<" + outputPath + "; "
-                // Delete the file from the directory
-                + "rm " + outputPath + "; "
-                // Append more data to the file descriptor
-                + "echo -n 456 >&4; "
-                // Print the whole file from the file descriptor
-                + "cat <&5");
+        String output =
+                sMicrodroid.run(
+                        // Open the file for append and read
+                        "exec 4>>"
+                                + outputPath
+                                + " 5<"
+                                + outputPath
+                                + "; "
+                                // Delete the file from the directory
+                                + "rm "
+                                + outputPath
+                                + "; "
+                                // Append more data to the file descriptor
+                                + "echo -n 456 >&4; "
+                                // Print the whole file from the file descriptor
+                                + "cat <&5");
 
         // Verify
         // Output contains all written data, while the files are deleted.
@@ -531,27 +561,33 @@
 
         // Verify
         String[] actual = sMicrodroid.run("cd " + authfsOutputDir + "; find |sort").split("\n");
-        String[] expected = new String[] {
-                ".",
-                "./dir",
-                "./dir/dir2",
-                "./dir/dir2/dir3",
-                "./dir/dir2/dir3/file1",
-                "./dir/dir2/dir3/file2",
-                "./dir/dir2/dir3/file3",
-                "./file"};
+        String[] expected =
+                new String[] {
+                    ".",
+                    "./dir",
+                    "./dir/dir2",
+                    "./dir/dir2/dir3",
+                    "./dir/dir2/dir3/file1",
+                    "./dir/dir2/dir3/file2",
+                    "./dir/dir2/dir3/file3",
+                    "./file"
+                };
         assertEquals(expected, actual);
 
         // Add more entries.
         sMicrodroid.run("mkdir -p " + authfsOutputDir + "/dir2");
         sMicrodroid.run("touch " + authfsOutputDir + "/file2");
         // Check new entries. Also check that the types are correct.
-        actual = sMicrodroid.run(
-                "cd " + authfsOutputDir + "; find -maxdepth 1 -type f |sort").split("\n");
+        actual =
+                sMicrodroid
+                        .run("cd " + authfsOutputDir + "; find -maxdepth 1 -type f |sort")
+                        .split("\n");
         expected = new String[] {"./file", "./file2"};
         assertEquals(expected, actual);
-        actual = sMicrodroid.run(
-                "cd " + authfsOutputDir + "; find -maxdepth 1 -type d |sort").split("\n");
+        actual =
+                sMicrodroid
+                        .run("cd " + authfsOutputDir + "; find -maxdepth 1 -type d |sort")
+                        .split("\n");
         expected = new String[] {".", "./dir", "./dir2"};
         assertEquals(expected, actual);
     }
@@ -687,8 +723,9 @@
                 "yes $'\\x01' | tr -d '\\n' | dd bs=1 count=" + numberOfOnes + " of=" + filePath);
     }
 
-    private static CommandResult checkReadAt(CommandRunner runner, String filePath, long offset,
-            long size) throws DeviceNotAvailableException {
+    private static CommandResult checkReadAt(
+            CommandRunner runner, String filePath, long offset, long size)
+            throws DeviceNotAvailableException {
         String cmd = "dd if=" + filePath + " of=/dev/null bs=1 count=" + size;
         if (offset > 0) {
             cmd += " skip=" + offset;
@@ -696,10 +733,15 @@
         return runner.runForResult(cmd);
     }
 
-    private CommandResult writeZerosAtFileOffset(CommandRunner runner, String filePath, long offset,
-            long numberOfZeros, boolean writeThrough) throws DeviceNotAvailableException {
-        String cmd = "dd if=/dev/zero of=" + filePath + " bs=1 count=" + numberOfZeros
-                + " conv=notrunc";
+    private CommandResult writeZerosAtFileOffset(
+            CommandRunner runner,
+            String filePath,
+            long offset,
+            long numberOfZeros,
+            boolean writeThrough)
+            throws DeviceNotAvailableException {
+        String cmd =
+                "dd if=/dev/zero of=" + filePath + " bs=1 count=" + numberOfZeros + " conv=notrunc";
         if (offset > 0) {
             cmd += " seek=" + offset;
         }
diff --git a/authfs/testdata/README.md b/tests/authfs/testdata/README.md
similarity index 100%
rename from authfs/testdata/README.md
rename to tests/authfs/testdata/README.md
diff --git a/authfs/testdata/cert.der b/tests/authfs/testdata/cert.der
similarity index 100%
rename from authfs/testdata/cert.der
rename to tests/authfs/testdata/cert.der
Binary files differ
diff --git a/authfs/testdata/cert.pem b/tests/authfs/testdata/cert.pem
similarity index 100%
rename from authfs/testdata/cert.pem
rename to tests/authfs/testdata/cert.pem
diff --git a/authfs/testdata/input.4k b/tests/authfs/testdata/input.4k
similarity index 100%
rename from authfs/testdata/input.4k
rename to tests/authfs/testdata/input.4k
Binary files differ
diff --git a/authfs/testdata/input.4k.fsv_meta b/tests/authfs/testdata/input.4k.fsv_meta
similarity index 100%
rename from authfs/testdata/input.4k.fsv_meta
rename to tests/authfs/testdata/input.4k.fsv_meta
Binary files differ
diff --git a/authfs/testdata/input.4k1 b/tests/authfs/testdata/input.4k1
similarity index 100%
rename from authfs/testdata/input.4k1
rename to tests/authfs/testdata/input.4k1
Binary files differ
diff --git a/authfs/testdata/input.4k1.fsv_meta b/tests/authfs/testdata/input.4k1.fsv_meta
similarity index 100%
rename from authfs/testdata/input.4k1.fsv_meta
rename to tests/authfs/testdata/input.4k1.fsv_meta
Binary files differ
diff --git a/authfs/testdata/input.4m b/tests/authfs/testdata/input.4m
similarity index 100%
rename from authfs/testdata/input.4m
rename to tests/authfs/testdata/input.4m
Binary files differ
diff --git a/authfs/testdata/input.4m.fsv_meta b/tests/authfs/testdata/input.4m.fsv_meta
similarity index 100%
rename from authfs/testdata/input.4m.fsv_meta
rename to tests/authfs/testdata/input.4m.fsv_meta
Binary files differ
diff --git a/authfs/testdata/input.4m.fsv_meta.bad_merkle b/tests/authfs/testdata/input.4m.fsv_meta.bad_merkle
similarity index 100%
rename from authfs/testdata/input.4m.fsv_meta.bad_merkle
rename to tests/authfs/testdata/input.4m.fsv_meta.bad_merkle
Binary files differ
diff --git a/authfs/testdata/key.pem b/tests/authfs/testdata/key.pem
similarity index 100%
rename from authfs/testdata/key.pem
rename to tests/authfs/testdata/key.pem