diff --git a/staticlibs/testutils/Android.bp b/staticlibs/testutils/Android.bp
new file mode 100644
index 0000000..5fe7ac3
--- /dev/null
+++ b/staticlibs/testutils/Android.bp
@@ -0,0 +1,88 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+java_library {
+    name: "net-tests-utils",
+    srcs: [
+        "devicetests/**/*.java",
+        "devicetests/**/*.kt",
+    ],
+    defaults: [
+        "framework-connectivity-test-defaults",
+        "lib_mockito_extended"
+    ],
+    libs: [
+        "androidx.annotation_annotation",
+        "net-utils-device-common-bpf",  // TestBpfMap extends IBpfMap.
+    ],
+    static_libs: [
+        "androidx.test.ext.junit",
+        "kotlin-reflect",
+        "libnanohttpd",
+        "net-tests-utils-host-device-common",
+        "net-utils-device-common",
+        "net-utils-device-common-async",
+        "net-utils-device-common-netlink",
+        "net-utils-device-common-wear",
+        "modules-utils-build_system",
+    ],
+    lint: { strict_updatability_linting: true },
+}
+
+java_library {
+    // Consider using net-tests-utils instead if writing device code.
+    // That library has a lot more useful tools into it for users that
+    // work on Android and includes this lib.
+    name: "net-tests-utils-host-device-common",
+    srcs: [
+        "hostdevice/**/*.java",
+        "hostdevice/**/*.kt",
+    ],
+    host_supported: true,
+    visibility: [
+        "//packages/modules/Connectivity/staticlibs/tests:__subpackages__",
+        "//packages/modules/Connectivity/staticlibs/client-libs/tests:__subpackages__",
+        "//packages/modules/Connectivity/tests/cts/hostside",
+    ],
+    // There are downstream branches using an old version of Kotlin
+    // that used to reserve the right to make breaking changes to the
+    // Result type and disallowed returning an instance of it.
+    // Later versions allowed this and there was never a change,
+    // so no matter the version returning Result is always fine,
+    // but on sc-mainline-prod the compiler rejects it without
+    // the following flag.
+    kotlincflags: ["-Xallow-result-return-type"],
+    libs: [
+        "jsr305",
+    ],
+    static_libs: [
+        "kotlin-test"
+    ],
+    lint: { strict_updatability_linting: true },
+}
+
+java_test_host {
+    name: "net-tests-utils-host-common",
+    srcs: [
+        "host/**/*.java",
+        "host/**/*.kt",
+    ],
+    libs: ["tradefed"],
+    test_suites: ["ats", "device-tests", "general-tests", "cts", "mts-networking"],
+    data: [":ConnectivityTestPreparer"],
+}