tests: Enable pipeline robustness when appropriate

Also run debug printf test even without multidraw since the
test checks the feature before using multidraw
Also use the results of GetPhysicalDeviceFeatures2 rather than gpu

tests/unit/debug_printf.cpp

@@ -31,7 +31,7 @@ TEST_F(NegativeDebugPrintf, BasicUsage) {
     TEST_DESCRIPTION("Verify that calls to debugPrintfEXT are received in debug stream");
     SetTargetApiVersion(VK_API_VERSION_1_1);
     AddRequiredExtensions(VK_KHR_SHADER_NON_SEMANTIC_INFO_EXTENSION_NAME);
-    AddRequiredExtensions(VK_EXT_MULTI_DRAW_EXTENSION_NAME);
+    AddOptionalExtensions(VK_EXT_MULTI_DRAW_EXTENSION_NAME);
     InitDebugPrintfFramework();
     if (!AreRequiredExtensionsEnabled()) {
         GTEST_SKIP() << RequiredExtensionsNotSupported() << " not supported";
@@ -43,15 +43,14 @@ TEST_F(NegativeDebugPrintf, BasicUsage) {
         GTEST_SKIP() << "At least Vulkan version 1.1 is required";
     }
 
-    auto features = m_device->phy().features();
-    if (!features.vertexPipelineStoresAndAtomics || !features.fragmentStoresAndAtomics) {
-        GTEST_SKIP() << "GPU-Assisted printf test requires vertexPipelineStoresAndAtomics and fragmentStoresAndAtomics";
+    if (!features2.features.vertexPipelineStoresAndAtomics || !features2.features.fragmentStoresAndAtomics) {
+        GTEST_SKIP() << "Debug Printf test requires vertexPipelineStoresAndAtomics and fragmentStoresAndAtomics";
     }
     ASSERT_NO_FATAL_FAILURE(InitViewport());
     ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
 
     if (IsPlatform(kMockICD)) {
-        GTEST_SKIP() << "Test not supported by MockICD, GPU-Assisted validation test requires a driver that can draw";
+        GTEST_SKIP() << "Test not supported by MockICD, Debug Printf test requires a driver that can draw";
     }
     // Make a uniform buffer to be passed to the shader that contains the test number
     uint32_t qfi = 0;
@@ -251,7 +250,7 @@ TEST_F(NegativeDebugPrintf, BasicUsage) {
         m_errorMonitor->VerifyFound();
     }
 
-    if (features.shaderInt64) {
+    if (features2.features.shaderInt64) {
         char const *shader_source_int64 =
             "#version 450\n"
             "#extension GL_EXT_debug_printf : enable\n"

tests/unit/gpu_av.cpp

@@ -540,7 +540,6 @@ TEST_F(VkGpuAssistedLayerTest, GpuRobustBufferOOB) {
     if (!pipeline_robustness_features.pipelineRobustness) {
         GTEST_SKIP() << "pipelineRobustness feature not supported";
     }
-    pipeline_robustness_features.pipelineRobustness = VK_FALSE;
     ASSERT_NO_FATAL_FAILURE(InitState(nullptr, &features2));
     ASSERT_NO_FATAL_FAILURE(InitRenderTarget());
     VkMemoryPropertyFlags reqs = VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT;