diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5b31d1e..dd4cee0 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -61,3 +61,5 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib64/hw/android.hardware.automotive*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/etc/init/android.hardware.automotive*)
 $(call add-clean-step, find $(PRODUCT_OUT)/system $(PRODUCT_OUT)/vendor -type f -name "android\.hardware\.configstore\@1\.1*" -print0 | xargs -0 rm -f)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/android.hardware.tests*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib/vndk/android.hardware.tests*)
diff --git a/tests/bar/1.0/.hidl_for_test b/tests/bar/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/bar/1.0/.hidl_for_test
diff --git a/tests/bar/1.0/Android.bp b/tests/bar/1.0/Android.bp
index 2dbfb0f..44ae7a5 100644
--- a/tests/bar/1.0/Android.bp
+++ b/tests/bar/1.0/Android.bp
@@ -67,7 +67,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.bar@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.bar@1.0_genc++"],
diff --git a/tests/baz/1.0/.hidl_for_test b/tests/baz/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/baz/1.0/.hidl_for_test
diff --git a/tests/baz/1.0/Android.bp b/tests/baz/1.0/Android.bp
index cec3039..7fa8b27 100644
--- a/tests/baz/1.0/Android.bp
+++ b/tests/baz/1.0/Android.bp
@@ -60,7 +60,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.baz@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.baz@1.0_genc++"],
diff --git a/tests/expression/1.0/.hidl_for_test b/tests/expression/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/expression/1.0/.hidl_for_test
diff --git a/tests/expression/1.0/Android.bp b/tests/expression/1.0/Android.bp
index 093b660..0ea0acf 100644
--- a/tests/expression/1.0/Android.bp
+++ b/tests/expression/1.0/Android.bp
@@ -42,7 +42,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.expression@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.expression@1.0_genc++"],
diff --git a/tests/extension/light/2.0/.hidl_for_test b/tests/extension/light/2.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/extension/light/2.0/.hidl_for_test
diff --git a/tests/extension/light/2.0/Android.bp b/tests/extension/light/2.0/Android.bp
index 52117b4..e8a5017 100644
--- a/tests/extension/light/2.0/Android.bp
+++ b/tests/extension/light/2.0/Android.bp
@@ -39,7 +39,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.extension.light@2.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.extension.light@2.0_genc++"],
diff --git a/tests/foo/1.0/.hidl_for_test b/tests/foo/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/foo/1.0/.hidl_for_test
diff --git a/tests/foo/1.0/Android.bp b/tests/foo/1.0/Android.bp
index d0038ab..b5de12e 100644
--- a/tests/foo/1.0/Android.bp
+++ b/tests/foo/1.0/Android.bp
@@ -67,7 +67,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.foo@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.foo@1.0_genc++"],
diff --git a/tests/hash/1.0/.hidl_for_test b/tests/hash/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/hash/1.0/.hidl_for_test
diff --git a/tests/hash/1.0/Android.bp b/tests/hash/1.0/Android.bp
index 336963e..d4d1d1a 100644
--- a/tests/hash/1.0/Android.bp
+++ b/tests/hash/1.0/Android.bp
@@ -35,7 +35,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.hash@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.hash@1.0_genc++"],
diff --git a/tests/inheritance/1.0/.hidl_for_test b/tests/inheritance/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/inheritance/1.0/.hidl_for_test
diff --git a/tests/inheritance/1.0/Android.bp b/tests/inheritance/1.0/Android.bp
index a8c0e6c..93a8ad5 100644
--- a/tests/inheritance/1.0/Android.bp
+++ b/tests/inheritance/1.0/Android.bp
@@ -56,7 +56,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.inheritance@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.inheritance@1.0_genc++"],
diff --git a/tests/libhwbinder/1.0/.hidl_for_test b/tests/libhwbinder/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/libhwbinder/1.0/.hidl_for_test
diff --git a/tests/libhwbinder/1.0/Android.bp b/tests/libhwbinder/1.0/Android.bp
index 6132628..4f3beb0 100644
--- a/tests/libhwbinder/1.0/Android.bp
+++ b/tests/libhwbinder/1.0/Android.bp
@@ -42,7 +42,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.libhwbinder@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.libhwbinder@1.0_genc++"],
diff --git a/tests/libhwbinder/aidl/.hidl_for_test b/tests/libhwbinder/aidl/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/libhwbinder/aidl/.hidl_for_test
diff --git a/tests/memory/1.0/.hidl_for_test b/tests/memory/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/memory/1.0/.hidl_for_test
diff --git a/tests/memory/1.0/Android.bp b/tests/memory/1.0/Android.bp
index c5cc4a0..d39ba28 100644
--- a/tests/memory/1.0/Android.bp
+++ b/tests/memory/1.0/Android.bp
@@ -35,7 +35,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.memory@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.memory@1.0_genc++"],
diff --git a/tests/msgq/1.0/.hidl_for_test b/tests/msgq/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/msgq/1.0/.hidl_for_test
diff --git a/tests/msgq/1.0/Android.bp b/tests/msgq/1.0/Android.bp
index 017e0d4..7758ee8 100644
--- a/tests/msgq/1.0/Android.bp
+++ b/tests/msgq/1.0/Android.bp
@@ -42,7 +42,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.msgq@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.msgq@1.0_genc++"],
diff --git a/tests/multithread/1.0/.hidl_for_test b/tests/multithread/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/multithread/1.0/.hidl_for_test
diff --git a/tests/multithread/1.0/Android.bp b/tests/multithread/1.0/Android.bp
index 68c19aa..76ad2c1 100644
--- a/tests/multithread/1.0/Android.bp
+++ b/tests/multithread/1.0/Android.bp
@@ -35,7 +35,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.multithread@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.multithread@1.0_genc++"],
diff --git a/tests/pointer/1.0/.hidl_for_test b/tests/pointer/1.0/.hidl_for_test
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/pointer/1.0/.hidl_for_test
diff --git a/tests/pointer/1.0/Android.bp b/tests/pointer/1.0/Android.bp
index 55598ca..178f165 100644
--- a/tests/pointer/1.0/Android.bp
+++ b/tests/pointer/1.0/Android.bp
@@ -42,7 +42,7 @@
     ],
 }
 
-cc_library {
+cc_test_library {
     name: "android.hardware.tests.pointer@1.0",
     defaults: ["hidl-module-defaults"],
     generated_sources: ["android.hardware.tests.pointer@1.0_genc++"],