diff --git a/sdk/cc_sdk_test.go b/sdk/cc_sdk_test.go
index 25839b8..939477f 100644
--- a/sdk/cc_sdk_test.go
+++ b/sdk/cc_sdk_test.go
@@ -58,6 +58,7 @@
 // Contains tests for SDK members provided by the cc package.
 
 func TestSingleDeviceOsAssumption(t *testing.T) {
+	t.Parallel()
 	// Mock a module with DeviceSupported() == true.
 	s := &sdk{}
 	android.InitAndroidArchModule(s, android.DeviceSupported, android.MultilibCommon)
@@ -72,6 +73,7 @@
 }
 
 func TestSdkIsCompileMultilibBoth(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -102,6 +104,7 @@
 }
 
 func TestSdkCompileMultilibOverride(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -161,6 +164,7 @@
 
 // Make sure the sdk can use host specific cc libraries static/shared and both.
 func TestHostSdkWithCc(t *testing.T) {
+	t.Parallel()
 	testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -184,6 +188,7 @@
 
 // Make sure the sdk can use cc libraries static/shared and both.
 func TestSdkWithCc(t *testing.T) {
+	t.Parallel()
 	testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -214,6 +219,7 @@
 }
 
 func TestSnapshotWithObject(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -268,6 +274,7 @@
 }
 
 func TestSnapshotWithCcDuplicateHeaders(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -305,6 +312,7 @@
 }
 
 func TestSnapshotWithCcExportGeneratedHeaders(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -393,6 +401,7 @@
 // handling is tested with the sanitize clauses (but note there's a lot of
 // built-in logic in sanitize.go that can affect those flags).
 func TestSnapshotWithCcSharedLibraryCommonProperties(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -475,6 +484,7 @@
 }
 
 func TestSnapshotWithCcBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "mymodule_exports",
@@ -523,6 +533,7 @@
 }
 
 func TestMultipleHostOsTypesSnapshotWithCcBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -604,6 +615,7 @@
 }
 
 func TestSnapshotWithSingleHostOsType(t *testing.T) {
+	t.Parallel()
 	result := android.GroupFixturePreparers(
 		prepareForSdkTest,
 		ccTestFs.AddToFixture(),
@@ -721,6 +733,7 @@
 // Test that we support the necessary flags for the linker binary, which is
 // special in several ways.
 func TestSnapshotWithCcStaticNocrtBinary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "mymodule_exports",
@@ -785,6 +798,7 @@
 }
 
 func TestSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -856,6 +870,7 @@
 }
 
 func TestSnapshotWithCcSharedLibrarySharedLibs(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1005,6 +1020,7 @@
 }
 
 func TestHostSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1085,6 +1101,7 @@
 }
 
 func TestMultipleHostOsTypesSnapshotWithCcSharedLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1168,6 +1185,7 @@
 }
 
 func TestSnapshotWithCcStaticLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1232,6 +1250,7 @@
 }
 
 func TestHostSnapshotWithCcStaticLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1307,6 +1326,7 @@
 }
 
 func TestSnapshotWithCcLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1376,6 +1396,7 @@
 }
 
 func TestSnapshotSameLibraryWithNativeLibsAndNativeSharedLib(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			host_supported: true,
@@ -1477,6 +1498,7 @@
 }
 
 func TestSnapshotSameLibraryWithAndroidNativeLibsAndHostNativeSharedLib(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			host_supported: true,
@@ -1578,6 +1600,7 @@
 }
 
 func TestSnapshotSameLibraryWithNativeStaticLibsAndNativeSharedLib(t *testing.T) {
+	t.Parallel()
 	testSdkError(t, "Incompatible member types", `
 		module_exports {
 			host_supported: true,
@@ -1609,6 +1632,7 @@
 }
 
 func TestHostSnapshotWithMultiLib64(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		module_exports {
 			name: "myexports",
@@ -1682,6 +1706,7 @@
 }
 
 func TestSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1721,6 +1746,7 @@
 }
 
 func TestSnapshotWithCcHeadersLibraryAndNativeBridgeSupport(t *testing.T) {
+	t.Parallel()
 	result := android.GroupFixturePreparers(
 		cc.PrepareForTestWithCcDefaultModules,
 		PrepareForTestWithSdkBuildComponents,
@@ -1778,6 +1804,7 @@
 // module that has different output files for a native bridge target requests the native bridge
 // variants are copied into the sdk snapshot that it reports an error.
 func TestSnapshotWithCcHeadersLibrary_DetectsNativeBridgeSpecificProperties(t *testing.T) {
+	t.Parallel()
 	android.GroupFixturePreparers(
 		cc.PrepareForTestWithCcDefaultModules,
 		PrepareForTestWithSdkBuildComponents,
@@ -1814,6 +1841,7 @@
 }
 
 func TestSnapshotWithCcHeadersLibraryAndImageVariants(t *testing.T) {
+	t.Parallel()
 	testImageVariant := func(t *testing.T, property, trait string) {
 		result := android.GroupFixturePreparers(
 			cc.PrepareForTestWithCcDefaultModules,
@@ -1877,6 +1905,7 @@
 }
 
 func TestHostSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -1933,6 +1962,7 @@
 }
 
 func TestDeviceAndHostSnapshotWithCcHeadersLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2002,6 +2032,7 @@
 }
 
 func TestSystemSharedLibPropagation(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2162,6 +2193,7 @@
 }
 
 func TestStubsLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2223,6 +2255,7 @@
 }
 
 func TestDeviceAndHostSnapshotWithStubsLibrary(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2299,6 +2332,7 @@
 }
 
 func TestUniqueHostSoname(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",
@@ -2364,6 +2398,7 @@
 }
 
 func TestNoSanitizerMembers(t *testing.T) {
+	t.Parallel()
 	result := testSdkWithCc(t, `
 		sdk {
 			name: "mysdk",