diff --git a/graphics/composer/2.1/utils/vts/ComposerVts.cpp b/graphics/composer/2.1/utils/vts/ComposerVts.cpp
index 43a5378..1cafafe 100644
--- a/graphics/composer/2.1/utils/vts/ComposerVts.cpp
+++ b/graphics/composer/2.1/utils/vts/ComposerVts.cpp
@@ -293,7 +293,6 @@
     if (queueChanged) {
         auto ret = mClient->setInputCommandQueue(*writer->getMQDescriptor());
         ASSERT_EQ(Error::NONE, static_cast<Error>(ret));
-        return;
     }
 
     mClient->executeCommands(commandLength, commandHandles,
diff --git a/graphics/composer/2.1/utils/vts/TestCommandReader.cpp b/graphics/composer/2.1/utils/vts/TestCommandReader.cpp
index e1dc5b6..454a89c 100644
--- a/graphics/composer/2.1/utils/vts/TestCommandReader.cpp
+++ b/graphics/composer/2.1/utils/vts/TestCommandReader.cpp
@@ -26,6 +26,7 @@
 namespace vts {
 
 void TestCommandReader::parse() {
+    mErrors.clear();
     mCompositionChanges.clear();
     while (!isEmpty()) {
         IComposerClient::Command command;
@@ -41,7 +42,8 @@
                 ASSERT_EQ(2, length);
                 auto loc = read();
                 auto err = readSigned();
-                GTEST_FAIL() << "unexpected error " << err << " at location " << loc;
+                std::pair<uint32_t, uint32_t> error(loc, err);
+                mErrors.push_back(error);
             } break;
             case IComposerClient::Command::SET_CHANGED_COMPOSITION_TYPES:
                 ASSERT_EQ(0, length % 3);
diff --git a/graphics/composer/2.1/utils/vts/include/composer-vts/2.1/TestCommandReader.h b/graphics/composer/2.1/utils/vts/include/composer-vts/2.1/TestCommandReader.h
index b9a4a5c..c12debe 100644
--- a/graphics/composer/2.1/utils/vts/include/composer-vts/2.1/TestCommandReader.h
+++ b/graphics/composer/2.1/utils/vts/include/composer-vts/2.1/TestCommandReader.h
@@ -33,6 +33,7 @@
     // unexpected errors or commands.
     void parse();
 
+    std::vector<std::pair<uint32_t, uint32_t>> mErrors;
     std::vector<std::pair<uint64_t, uint32_t>> mCompositionChanges;
 };
 
diff --git a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
index 0607d4d..8b8c7ae 100644
--- a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
+++ b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
@@ -672,7 +672,10 @@
         mReader = std::make_unique<TestCommandReader>();
     }
 
-    void TearDown() override { ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::TearDown()); }
+    void TearDown() override {
+        ASSERT_EQ(0, mReader->mErrors.size());
+        ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::TearDown());
+    }
 
     const native_handle_t* allocate() {
         IMapper::BufferDescriptorInfo info{};
diff --git a/graphics/composer/2.2/utils/vts/ComposerVts.cpp b/graphics/composer/2.2/utils/vts/ComposerVts.cpp
index 459e0fe..d8fb656 100644
--- a/graphics/composer/2.2/utils/vts/ComposerVts.cpp
+++ b/graphics/composer/2.2/utils/vts/ComposerVts.cpp
@@ -68,7 +68,6 @@
     if (queueChanged) {
         auto ret = mClient->setInputCommandQueue(*writer->getMQDescriptor());
         ASSERT_EQ(Error::NONE, static_cast<Error>(ret));
-        return;
     }
 
     mClient->executeCommands(commandLength, commandHandles,
diff --git a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
index e40dc22..ffd6daf 100644
--- a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
+++ b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
@@ -127,7 +127,10 @@
         mReader = std::make_unique<V2_1::vts::TestCommandReader>();
     }
 
-    void TearDown() override { ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::TearDown()); }
+    void TearDown() override {
+        ASSERT_EQ(0, mReader->mErrors.size());
+        ASSERT_NO_FATAL_FAILURE(GraphicsComposerHidlTest::TearDown());
+    }
 
     const native_handle_t* allocate() {
         IMapper::BufferDescriptorInfo info{};
@@ -189,6 +192,12 @@
         {IComposerClient::PerFrameMetadataKey::MAX_FRAME_AVERAGE_LIGHT_LEVEL, 62.0});
     mWriter->setLayerPerFrameMetadata(hidlMetadata);
     execute();
+
+    if (mReader->mErrors.size() == 1 &&
+        static_cast<Error>(mReader->mErrors[0].second) == Error::UNSUPPORTED) {
+        mReader->mErrors.clear();
+        GTEST_SUCCEED() << "SetLayerPerFrameMetadata is not supported";
+    }
 }
 
 /**
@@ -313,6 +322,14 @@
     mWriter->selectLayer(layer);
     mWriter->setLayerFloatColor(IComposerClient::FloatColor{1.0, 1.0, 1.0, 1.0});
     mWriter->setLayerFloatColor(IComposerClient::FloatColor{0.0, 0.0, 0.0, 0.0});
+    execute();
+
+    if (mReader->mErrors.size() == 2 &&
+        static_cast<Error>(mReader->mErrors[0].second) == Error::UNSUPPORTED &&
+        static_cast<Error>(mReader->mErrors[1].second) == Error::UNSUPPORTED) {
+        mReader->mErrors.clear();
+        GTEST_SUCCEED() << "SetLayerFloatColor is not supported";
+    }
 }
 
 /**