Turn on the first few direct-to-Metal tests by default.

All of the subtests of these previously-asserting tests are passing
with --bot-mode:

  ProgramBinaryES3Test
  UniformTest
  WebGLGLSLTest

so start running them on ANGLE's CQ.

Bug: angleproject:5505
Change-Id: Ibdaa814cec846379e2c073117efa816fc871be33
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3105442
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>

src/tests/gl_tests/GLSLTest.cpp

@@ -13144,7 +13144,9 @@ ANGLE_INSTANTIATE_TEST_ES3_AND(GLSLTest_ES3, WithDirectSPIRVGeneration(ES3_VULKA
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(GLSLTestLoops);
 ANGLE_INSTANTIATE_TEST_ES3_AND(GLSLTestLoops, WithDirectSPIRVGeneration(ES3_VULKAN()));
 
-ANGLE_INSTANTIATE_TEST_ES2_AND(WebGLGLSLTest, WithDirectSPIRVGeneration(ES2_VULKAN()));
+ANGLE_INSTANTIATE_TEST_ES2_AND(WebGLGLSLTest,
+                               WithDirectSPIRVGeneration(ES2_VULKAN()),
+                               WithDirectMetalGeneration(ES2_METAL()));
 
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WebGL2GLSLTest);
 ANGLE_INSTANTIATE_TEST_ES3_AND(WebGL2GLSLTest, WithDirectSPIRVGeneration(ES3_VULKAN()));

src/tests/gl_tests/ProgramBinaryTest.cpp

@@ -822,7 +822,7 @@ TEST_P(ProgramBinaryTest, SRGBDecodeWithSamplerAndTexelFetchTest)
 }
 
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ProgramBinaryES3Test);
-ANGLE_INSTANTIATE_TEST_ES3(ProgramBinaryES3Test);
+ANGLE_INSTANTIATE_TEST_ES3_AND(ProgramBinaryES3Test, WithDirectMetalGeneration(ES3_METAL()));
 
 class ProgramBinaryES31Test : public ANGLETest
 {

src/tests/gl_tests/UniformTest.cpp

@@ -1450,7 +1450,9 @@ void main()
 // Use this to select which configurations (e.g. which renderer, which GLES major version) these
 // tests should be run against.
 ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(SimpleUniformTest);
-ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(UniformTest);
+ANGLE_INSTANTIATE_TEST_ES2_AND_ES3_AND(UniformTest,
+                                       WithDirectMetalGeneration(ES2_METAL()),
+                                       WithDirectMetalGeneration(ES3_METAL()));
 
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(UniformTestES3);
 ANGLE_INSTANTIATE_TEST_ES3(UniformTestES3);