diff --git a/tests/common/Android.bp b/tests/common/Android.bp
index 509e881..efea0f9 100644
--- a/tests/common/Android.bp
+++ b/tests/common/Android.bp
@@ -23,7 +23,7 @@
 
 java_library {
     name: "FrameworksNetCommonTests",
-    defaults: ["framework-connectivity-test-defaults"],
+    defaults: ["framework-connectivity-internal-test-defaults"],
     srcs: [
         "java/**/*.java",
         "java/**/*.kt",
@@ -49,6 +49,7 @@
 // jarjar stops at the first matching rule, so order of concatenation affects the output.
 genrule {
     name: "ConnectivityCoverageJarJarRules",
+    defaults: ["jarjar-rules-combine-defaults"],
     srcs: [
         "tethering-jni-jarjar-rules.txt",
         ":connectivity-jarjar-rules",
@@ -56,8 +57,6 @@
         ":NetworkStackJarJarRules",
     ],
     out: ["jarjar-rules-connectivity-coverage.txt"],
-    // Concat files with a line break in the middle
-    cmd: "for src in $(in); do cat $${src}; echo; done > $(out)",
     visibility: ["//visibility:private"],
 }
 
@@ -84,7 +83,7 @@
     target_sdk_version: "31",
     test_suites: ["general-tests", "mts-tethering"],
     defaults: [
-        "framework-connectivity-test-defaults",
+        "framework-connectivity-internal-test-defaults",
         "FrameworksNetTests-jni-defaults",
         "libnetworkstackutilsjni_deps",
     ],
@@ -140,6 +139,30 @@
     ],
 }
 
+// defaults for tests that need to build against framework-connectivity's @hide APIs, but also
+// using fully @hide classes that are jarjared (because they have no API member). Similar to
+// framework-connectivity-test-defaults above but uses pre-jarjar class names.
+// Only usable from targets that have visibility on framework-connectivity-pre-jarjar, and apply
+// connectivity jarjar rules so that references to jarjared classes still match: this is limited to
+// connectivity internal tests only.
+java_defaults {
+    name: "framework-connectivity-internal-test-defaults",
+    sdk_version: "core_platform", // tests can use @CorePlatformApi's
+    libs: [
+        // order matters: classes in framework-connectivity are resolved before framework,
+        // meaning @hide APIs in framework-connectivity are resolved before @SystemApi
+        // stubs in framework
+        "framework-connectivity-pre-jarjar",
+        "framework-connectivity-t-pre-jarjar",
+        "framework-tethering.impl",
+        "framework",
+
+        // if sdk_version="" this gets automatically included, but here we need to add manually.
+        "framework-res",
+    ],
+    defaults_visibility: ["//packages/modules/Connectivity/tests:__subpackages__"],
+}
+
 // Defaults for tests that want to run in mainline-presubmit.
 // Not widely used because many of our tests have AndroidTest.xml files and
 // use the mainline-param config-descriptor metadata in AndroidTest.xml.
diff --git a/tests/integration/Android.bp b/tests/integration/Android.bp
index 97c1265..e3d80a0 100644
--- a/tests/integration/Android.bp
+++ b/tests/integration/Android.bp
@@ -21,7 +21,7 @@
 
 android_test {
     name: "FrameworksNetIntegrationTests",
-    defaults: ["framework-connectivity-test-defaults"],
+    defaults: ["framework-connectivity-internal-test-defaults"],
     platform_apis: true,
     certificate: "platform",
     srcs: [
@@ -71,8 +71,12 @@
         "net-tests-utils",
     ],
     libs: [
-        "service-connectivity",
+        "service-connectivity-pre-jarjar",
         "services.core",
         "services.net",
     ],
+    visibility: [
+        "//packages/modules/Connectivity/tests/integration",
+        "//packages/modules/Connectivity/tests/unit",
+    ],
 }
diff --git a/tests/unit/Android.bp b/tests/unit/Android.bp
index c9a41ba..18ace4e 100644
--- a/tests/unit/Android.bp
+++ b/tests/unit/Android.bp
@@ -112,7 +112,7 @@
     name: "FrameworksNetTestsDefaults",
     min_sdk_version: "30",
     defaults: [
-        "framework-connectivity-test-defaults",
+        "framework-connectivity-internal-test-defaults",
     ],
     srcs: [
         "java/**/*.java",