Vulkan: Re-enable a handful of suppressed ES3 tests

src/tests/gl_tests/ClearTest.cpp

@@ -985,8 +985,9 @@ TEST_P(ClearTestES3, MaskedClearHeterogeneousAttachments)
 // mistakenly clear every channel (including the masked-out ones)
 TEST_P(ClearTestES3, MaskedClearBufferBug)
 {
-    // Vulkan doesn't support gaps in render targets yet.  http://anglebug.com/2394
-    ANGLE_SKIP_TEST_IF(IsVulkan());
+    // TODO(syoussefi): Qualcomm driver crashes in the presence of VK_ATTACHMENT_UNUSED.
+    // http://anglebug.com/3423
+    ANGLE_SKIP_TEST_IF(IsVulkan() && IsAndroid());
 
     unsigned char pixelData[] = {255, 255, 255, 255};
 
@@ -1123,9 +1124,6 @@ TEST_P(ClearTestES3, MixedSRGBClear)
 // flush or finish after ClearBufferfv or each draw.
 TEST_P(ClearTestES3, RepeatedClear)
 {
-    // ES3 shaders are not yet supported on Vulkan.
-    ANGLE_SKIP_TEST_IF(IsVulkan());
-
     constexpr char kVS[] =
         "#version 300 es\n"
         "in highp vec2 position;\n"

src/tests/gl_tests/GLSLTest.cpp

@@ -2405,10 +2405,6 @@ TEST_P(GLSLTest_ES3, UnaryMinusOperatorSignedInt)
 // Convers a bug with the unary minus operator on unsigned integer workaround.
 TEST_P(GLSLTest_ES3, UnaryMinusOperatorUnsignedInt)
 {
-    // TODO(syoussefi): missing [gs]etUniform support with unsigned formats.
-    // http://anglebug.com/2392
-    ANGLE_SKIP_TEST_IF(IsVulkan());
-
     constexpr char kVS[] =
         "#version 300 es\n"
         "in highp vec4 position;\n"
@@ -4407,10 +4403,6 @@ void main()
 // Test that a varying struct that's defined as a part of the declaration is handled correctly.
 TEST_P(GLSLTest_ES3, VaryingStructWithInlineDefinition)
 {
-    // TODO(syoussefi): missing ES3 shader feature support.
-    // http://anglebug.com/3199
-    ANGLE_SKIP_TEST_IF(IsVulkan());
-
     constexpr char kVS[] = R"(#version 300 es
 in vec4 inputAttribute;
 
@@ -4507,10 +4499,6 @@ void main() {
 // is handled correctly.
 TEST_P(GLSLTest_ES3, FlatVaryingUsedInFoldedTernary)
 {
-    // TODO(syoussefi): missing ES3 shader feature support.
-    // http://anglebug.com/3219
-    ANGLE_SKIP_TEST_IF(IsVulkan());
-
     constexpr char kVS[] = R"(#version 300 es
 
 in vec4 inputAttribute;