diff --git a/Android.mk b/Android.mk
index 2d74249d9bb9c..cf6aa2a0c2989 100644
--- a/Android.mk
+++ b/Android.mk
@@ -82,7 +82,7 @@ framework_base_android_test_runner_excluding_mock_src_files := \
 # to document and check apis
 files_to_check_apis := \
   $(call find-other-java-files, \
-    legacy-test/src \
+    test-base/src \
     $(non_base_dirs) \
   )
 
diff --git a/legacy-test/Android.bp b/test-base/Android.bp
similarity index 71%
rename from legacy-test/Android.bp
rename to test-base/Android.bp
index 1173bc6e656be..30c9af1de1b0d 100644
--- a/legacy-test/Android.bp
+++ b/test-base/Android.bp
@@ -14,6 +14,24 @@
 // limitations under the License.
 //
 
+// Build the android.test.base library
+// ===================================
+// This contains the junit.framework and android.test classes that were in
+// Android API level 25 excluding those from android.test.runner.
+// Also contains the com.android.internal.util.Predicate[s] classes.
+java_library {
+    name: "android.test.base",
+
+    srcs: ["src/**/*.java"],
+
+    no_framework_libs: true,
+    hostdex: true,
+    libs: [
+        "framework",
+    ],
+
+}
+
 // Build the legacy-test library
 // =============================
 // This contains the junit.framework and android.test classes that were in
@@ -21,23 +39,26 @@
 // Also contains the com.android.internal.util.Predicate[s] classes.
 java_library {
     name: "legacy-test",
-
-    srcs: ["src/**/*.java"],
+    static_libs: ["android.test.base"],
 
     no_framework_libs: true,
     libs: [
         "framework",
     ],
-
 }
 
-// Build the repackaged-legacy-test library
-// ========================================
+// Build the repackaged.android.test.base library
+// ==============================================
 // This contains repackaged versions of the classes from legacy-test.
 java_library_static {
-    name: "repackaged-legacy-test",
+    name: "repackaged.android.test.base",
 
-    static_libs: ["legacy-test"],
+    static_libs: ["android.test.base"],
+
+    no_framework_libs: true,
+    libs: [
+        "framework",
+    ],
 
     jarjar_rules: "jarjar-rules.txt",
 }
diff --git a/legacy-test/Android.mk b/test-base/Android.mk
similarity index 53%
rename from legacy-test/Android.mk
rename to test-base/Android.mk
index 793bbe859edaa..25c3d7646df62 100644
--- a/legacy-test/Android.mk
+++ b/test-base/Android.mk
@@ -31,79 +31,81 @@ LOCAL_JAVA_LIBRARIES := \
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 LOCAL_DROIDDOC_SOURCE_PATH := $(LOCAL_PATH)/src
 
-LEGACY_TEST_OUTPUT_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/legacy.test.stubs_intermediates/api.txt
-LEGACY_TEST_OUTPUT_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/legacy.test.stubs_intermediates/removed.txt
+ANDROID_TEST_BASE_OUTPUT_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/android.test.base.stubs_intermediates/api.txt
+ANDROID_TEST_BASE_OUTPUT_REMOVED_API_FILE := $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/android.test.base.stubs_intermediates/removed.txt
 
-LEGACY_TEST_API_FILE := $(LOCAL_PATH)/api/legacy-test-current.txt
-LEGACY_TEST_REMOVED_API_FILE := $(LOCAL_PATH)/api/legacy-test-removed.txt
+ANDROID_TEST_BASE_API_FILE := $(LOCAL_PATH)/api/android-test-base-current.txt
+ANDROID_TEST_BASE_REMOVED_API_FILE := $(LOCAL_PATH)/api/android-test-base-removed.txt
 
 LOCAL_DROIDDOC_OPTIONS:= \
     -stubpackages android.test:android.test.suitebuilder.annotation:com.android.internal.util:junit.framework \
     -stubsourceonly \
-    -stubs $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/legacy.test.stubs_intermediates/src \
+    -stubs $(TARGET_OUT_COMMON_INTERMEDIATES)/JAVA_LIBRARIES/android.test.base.stubs_intermediates/src \
     -nodocs \
-    -api $(LEGACY_TEST_OUTPUT_API_FILE) \
-    -removedApi $(LEGACY_TEST_OUTPUT_REMOVED_API_FILE) \
+    -api $(ANDROID_TEST_BASE_OUTPUT_API_FILE) \
+    -removedApi $(ANDROID_TEST_BASE_OUTPUT_REMOVED_API_FILE) \
 
 LOCAL_UNINSTALLABLE_MODULE := true
-LOCAL_MODULE := legacy-test-api-stubs-gen
+LOCAL_MODULE := android-test-base-api-stubs-gen
 
 include $(BUILD_DROIDDOC)
 
 # Remember the target that will trigger the code generation.
-legacy_test_api_gen_stamp := $(full_target)
+android_test_base_gen_stamp := $(full_target)
 
 # Add some additional dependencies
-$(LEGACY_TEST_OUTPUT_API_FILE): $(full_target)
-$(LEGACY_TEST_OUTPUT_REMOVED_API_FILE): $(full_target)
+$(ANDROID_TEST_BASE_OUTPUT_API_FILE): $(full_target)
+$(ANDROID_TEST_BASE_OUTPUT_REMOVED_API_FILE): $(full_target)
 
-# Build the legacy.test.stubs library
-# ===================================
+# Build the android.test.base.stubs library
+# =========================================
 include $(CLEAR_VARS)
 
-LOCAL_MODULE := legacy.test.stubs
+LOCAL_MODULE := android.test.base.stubs
 
 LOCAL_SOURCE_FILES_ALL_GENERATED := true
+LOCAL_SDK_VERSION := current
 
 # Make sure to run droiddoc first to generate the stub source files.
-LOCAL_ADDITIONAL_DEPENDENCIES := $(legacy_test_api_gen_stamp)
+LOCAL_ADDITIONAL_DEPENDENCIES := $(android_test_base_gen_stamp)
+android_test_base_gen_stamp :=
 
 include $(BUILD_STATIC_JAVA_LIBRARY)
 
 # Archive a copy of the classes.jar in SDK build.
-$(call dist-for-goals,sdk win_sdk,$(full_classes_jar):legacy.test.stubs.jar)
+$(call dist-for-goals,sdk win_sdk,$(full_classes_jar):android.test.base.stubs.jar)
 
-# Check that the legacy.test.stubs library has not changed
-# ========================================================
+# Check that the android.test.base.stubs library has not changed
+# ==============================================================
 
 # Check that the API we're building hasn't changed from the not-yet-released
 # SDK version.
 $(eval $(call check-api, \
-    check-legacy-test-api-current, \
-    $(LEGACY_TEST_API_FILE), \
-    $(LEGACY_TEST_OUTPUT_API_FILE), \
-    $(LEGACY_TEST_REMOVED_API_FILE), \
-    $(LEGACY_TEST_OUTPUT_REMOVED_API_FILE), \
+    check-android-test-base-api-current, \
+    $(ANDROID_TEST_BASE_API_FILE), \
+    $(ANDROID_TEST_BASE_OUTPUT_API_FILE), \
+    $(ANDROID_TEST_BASE_REMOVED_API_FILE), \
+    $(ANDROID_TEST_BASE_OUTPUT_REMOVED_API_FILE), \
     -error 2 -error 3 -error 4 -error 5 -error 6 \
     -error 7 -error 8 -error 9 -error 10 -error 11 -error 12 -error 13 -error 14 -error 15 \
     -error 16 -error 17 -error 18 -error 19 -error 20 -error 21 -error 23 -error 24 \
     -error 25 -error 26 -error 27, \
-    cat $(LOCAL_PATH)/api/apicheck_msg_legacy_test.txt, \
-    check-legacy-test-api, \
-    $(call doc-timestamp-for,legacy-test-api-stubs-gen) \
+    cat $(LOCAL_PATH)/api/apicheck_msg_android_test_base.txt, \
+    check-android-test-base-api, \
+    $(call doc-timestamp-for,android-test-base-api-stubs-gen) \
     ))
 
-.PHONY: check-legacy-test-api
-checkapi: check-legacy-test-api
+.PHONY: check-android-test-base-api
+checkapi: check-android-test-base-api
 
-.PHONY: update-legacy-test-api
-update-api: update-legacy-test-api
+.PHONY: update-android-test-base-api
+update-api: update-android-test-base-api
 
-update-legacy-test-api: $(LEGACY_TEST_OUTPUT_API_FILE) | $(ACP)
+update-android-test-base-api: $(ANDROID_TEST_BASE_OUTPUT_API_FILE) | $(ACP)
 	@echo Copying current.txt
-	$(hide) $(ACP) $(LEGACY_TEST_OUTPUT_API_FILE) $(LEGACY_TEST_API_FILE)
+	$(hide) $(ACP) $(ANDROID_TEST_BASE_OUTPUT_API_FILE) $(ANDROID_TEST_BASE_API_FILE)
 	@echo Copying removed.txt
-	$(hide) $(ACP) $(LEGACY_TEST_OUTPUT_REMOVED_API_FILE) $(LEGACY_TEST_REMOVED_API_FILE)
+	$(hide) $(ACP) $(ANDROID_TEST_BASE_OUTPUT_REMOVED_API_FILE) $(ANDROID_TEST_BASE_REMOVED_API_FILE)
 
 ifeq ($(HOST_OS),linux)
 # Build the legacy-performance-test-hostdex library
diff --git a/legacy-test/api/legacy-test-current.txt b/test-base/api/android-test-base-current.txt
similarity index 100%
rename from legacy-test/api/legacy-test-current.txt
rename to test-base/api/android-test-base-current.txt
diff --git a/legacy-test/api/legacy-test-removed.txt b/test-base/api/android-test-base-removed.txt
similarity index 100%
rename from legacy-test/api/legacy-test-removed.txt
rename to test-base/api/android-test-base-removed.txt
diff --git a/legacy-test/api/apicheck_msg_legacy_test.txt b/test-base/api/apicheck_msg_android_test_base.txt
similarity index 59%
rename from legacy-test/api/apicheck_msg_legacy_test.txt
rename to test-base/api/apicheck_msg_android_test_base.txt
index ad5f2359b8b19..144aecc21bcec 100644
--- a/legacy-test/api/apicheck_msg_legacy_test.txt
+++ b/test-base/api/apicheck_msg_android_test_base.txt
@@ -6,10 +6,10 @@ To make these errors go away, you have two choices:
    1) You can add "@hide" javadoc comments to the methods, etc. listed in the
       errors above.
 
-   2) You can update legacy-test-current.txt by executing the following command:
-         make update-legacy-test-api
+   2) You can update android-test-base-current.txt by executing the following command:
+         make update-android-test-base-api
 
-      To submit the revised legacy-test-current.txt to the main Android repository,
+      To submit the revised android-test-base-current.txt to the main Android repository,
       you will need approval.
 ******************************
 
diff --git a/legacy-test/jarjar-rules.txt b/test-base/jarjar-rules.txt
similarity index 100%
rename from legacy-test/jarjar-rules.txt
rename to test-base/jarjar-rules.txt
diff --git a/legacy-test/src/android/test/AndroidTestCase.java b/test-base/src/android/test/AndroidTestCase.java
similarity index 100%
rename from legacy-test/src/android/test/AndroidTestCase.java
rename to test-base/src/android/test/AndroidTestCase.java
diff --git a/legacy-test/src/android/test/FlakyTest.java b/test-base/src/android/test/FlakyTest.java
similarity index 100%
rename from legacy-test/src/android/test/FlakyTest.java
rename to test-base/src/android/test/FlakyTest.java
diff --git a/legacy-test/src/android/test/InstrumentationTestCase.java b/test-base/src/android/test/InstrumentationTestCase.java
similarity index 100%
rename from legacy-test/src/android/test/InstrumentationTestCase.java
rename to test-base/src/android/test/InstrumentationTestCase.java
diff --git a/legacy-test/src/android/test/InstrumentationTestSuite.java b/test-base/src/android/test/InstrumentationTestSuite.java
similarity index 100%
rename from legacy-test/src/android/test/InstrumentationTestSuite.java
rename to test-base/src/android/test/InstrumentationTestSuite.java
diff --git a/legacy-test/src/android/test/PerformanceTestCase.java b/test-base/src/android/test/PerformanceTestCase.java
similarity index 100%
rename from legacy-test/src/android/test/PerformanceTestCase.java
rename to test-base/src/android/test/PerformanceTestCase.java
diff --git a/legacy-test/src/android/test/RepetitiveTest.java b/test-base/src/android/test/RepetitiveTest.java
similarity index 100%
rename from legacy-test/src/android/test/RepetitiveTest.java
rename to test-base/src/android/test/RepetitiveTest.java
diff --git a/legacy-test/src/android/test/UiThreadTest.java b/test-base/src/android/test/UiThreadTest.java
similarity index 100%
rename from legacy-test/src/android/test/UiThreadTest.java
rename to test-base/src/android/test/UiThreadTest.java
diff --git a/legacy-test/src/android/test/package.html b/test-base/src/android/test/package.html
similarity index 100%
rename from legacy-test/src/android/test/package.html
rename to test-base/src/android/test/package.html
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/LargeTest.java b/test-base/src/android/test/suitebuilder/annotation/LargeTest.java
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/LargeTest.java
rename to test-base/src/android/test/suitebuilder/annotation/LargeTest.java
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/MediumTest.java b/test-base/src/android/test/suitebuilder/annotation/MediumTest.java
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/MediumTest.java
rename to test-base/src/android/test/suitebuilder/annotation/MediumTest.java
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/SmallTest.java b/test-base/src/android/test/suitebuilder/annotation/SmallTest.java
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/SmallTest.java
rename to test-base/src/android/test/suitebuilder/annotation/SmallTest.java
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/Smoke.java b/test-base/src/android/test/suitebuilder/annotation/Smoke.java
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/Smoke.java
rename to test-base/src/android/test/suitebuilder/annotation/Smoke.java
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/Suppress.java b/test-base/src/android/test/suitebuilder/annotation/Suppress.java
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/Suppress.java
rename to test-base/src/android/test/suitebuilder/annotation/Suppress.java
diff --git a/legacy-test/src/android/test/suitebuilder/annotation/package.html b/test-base/src/android/test/suitebuilder/annotation/package.html
similarity index 100%
rename from legacy-test/src/android/test/suitebuilder/annotation/package.html
rename to test-base/src/android/test/suitebuilder/annotation/package.html
diff --git a/legacy-test/src/com/android/internal/util/Predicate.java b/test-base/src/com/android/internal/util/Predicate.java
similarity index 100%
rename from legacy-test/src/com/android/internal/util/Predicate.java
rename to test-base/src/com/android/internal/util/Predicate.java
diff --git a/legacy-test/src/junit/MODULE_LICENSE_CPL b/test-base/src/junit/MODULE_LICENSE_CPL
similarity index 100%
rename from legacy-test/src/junit/MODULE_LICENSE_CPL
rename to test-base/src/junit/MODULE_LICENSE_CPL
diff --git a/legacy-test/src/junit/README.android b/test-base/src/junit/README.android
similarity index 100%
rename from legacy-test/src/junit/README.android
rename to test-base/src/junit/README.android
diff --git a/legacy-test/src/junit/cpl-v10.html b/test-base/src/junit/cpl-v10.html
similarity index 100%
rename from legacy-test/src/junit/cpl-v10.html
rename to test-base/src/junit/cpl-v10.html
diff --git a/legacy-test/src/junit/framework/Assert.java b/test-base/src/junit/framework/Assert.java
similarity index 100%
rename from legacy-test/src/junit/framework/Assert.java
rename to test-base/src/junit/framework/Assert.java
diff --git a/legacy-test/src/junit/framework/AssertionFailedError.java b/test-base/src/junit/framework/AssertionFailedError.java
similarity index 100%
rename from legacy-test/src/junit/framework/AssertionFailedError.java
rename to test-base/src/junit/framework/AssertionFailedError.java
diff --git a/legacy-test/src/junit/framework/ComparisonCompactor.java b/test-base/src/junit/framework/ComparisonCompactor.java
similarity index 100%
rename from legacy-test/src/junit/framework/ComparisonCompactor.java
rename to test-base/src/junit/framework/ComparisonCompactor.java
diff --git a/legacy-test/src/junit/framework/ComparisonFailure.java b/test-base/src/junit/framework/ComparisonFailure.java
similarity index 100%
rename from legacy-test/src/junit/framework/ComparisonFailure.java
rename to test-base/src/junit/framework/ComparisonFailure.java
diff --git a/legacy-test/src/junit/framework/Protectable.java b/test-base/src/junit/framework/Protectable.java
similarity index 100%
rename from legacy-test/src/junit/framework/Protectable.java
rename to test-base/src/junit/framework/Protectable.java
diff --git a/legacy-test/src/junit/framework/Test.java b/test-base/src/junit/framework/Test.java
similarity index 100%
rename from legacy-test/src/junit/framework/Test.java
rename to test-base/src/junit/framework/Test.java
diff --git a/legacy-test/src/junit/framework/TestCase.java b/test-base/src/junit/framework/TestCase.java
similarity index 100%
rename from legacy-test/src/junit/framework/TestCase.java
rename to test-base/src/junit/framework/TestCase.java
diff --git a/legacy-test/src/junit/framework/TestFailure.java b/test-base/src/junit/framework/TestFailure.java
similarity index 100%
rename from legacy-test/src/junit/framework/TestFailure.java
rename to test-base/src/junit/framework/TestFailure.java
diff --git a/legacy-test/src/junit/framework/TestListener.java b/test-base/src/junit/framework/TestListener.java
similarity index 100%
rename from legacy-test/src/junit/framework/TestListener.java
rename to test-base/src/junit/framework/TestListener.java
diff --git a/legacy-test/src/junit/framework/TestResult.java b/test-base/src/junit/framework/TestResult.java
similarity index 100%
rename from legacy-test/src/junit/framework/TestResult.java
rename to test-base/src/junit/framework/TestResult.java
diff --git a/legacy-test/src/junit/framework/TestSuite.java b/test-base/src/junit/framework/TestSuite.java
similarity index 100%
rename from legacy-test/src/junit/framework/TestSuite.java
rename to test-base/src/junit/framework/TestSuite.java
diff --git a/test-mock/jarjar-rules.txt b/test-mock/jarjar-rules.txt
index b0e4beaf5a4c7..f6f79139d511a 120000
--- a/test-mock/jarjar-rules.txt
+++ b/test-mock/jarjar-rules.txt
@@ -1 +1 @@
-../legacy-test/jarjar-rules.txt
\ No newline at end of file
+../test-base/jarjar-rules.txt
\ No newline at end of file
diff --git a/test-runner/Android.bp b/test-runner/Android.bp
index 104ae8236368c..cddfef864324e 100644
--- a/test-runner/Android.bp
+++ b/test-runner/Android.bp
@@ -24,7 +24,7 @@ java_library {
     no_framework_libs: true,
     libs: [
         "framework",
-        "legacy-test",
+        "android.test.base",
         "android.test.mock",
     ],
 }
diff --git a/test-runner/Android.mk b/test-runner/Android.mk
index 6cf2d5646ffbb..cdc7756d57548 100644
--- a/test-runner/Android.mk
+++ b/test-runner/Android.mk
@@ -26,7 +26,7 @@ LOCAL_JAVA_LIBRARIES := \
     core-oj \
     core-libart \
     framework \
-    legacy-test \
+    android.test.base \
     android.test.mock \
 
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
@@ -65,7 +65,7 @@ include $(CLEAR_VARS)
 LOCAL_MODULE := android.test.runner.stubs
 
 LOCAL_JAVA_LIBRARIES := \
-    legacy.test.stubs \
+    android.test.base.stubs \
     android.test.mock.stubs \
 
 LOCAL_SOURCE_FILES_ALL_GENERATED := true
diff --git a/test-runner/jarjar-rules.txt b/test-runner/jarjar-rules.txt
index b0e4beaf5a4c7..f6f79139d511a 120000
--- a/test-runner/jarjar-rules.txt
+++ b/test-runner/jarjar-rules.txt
@@ -1 +1 @@
-../legacy-test/jarjar-rules.txt
\ No newline at end of file
+../test-base/jarjar-rules.txt
\ No newline at end of file