Enable several end2end tests on Windows Intel drivers

src/tests/gl_tests/CopyTextureTest.cpp

@@ -1351,8 +1351,6 @@ TEST_P(CopyTextureTestES3, ES3UnormFormats)
 // Test the newly added ES3 float formats
 TEST_P(CopyTextureTestES3, ES3FloatFormats)
 {
-    ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows() && IsOpenGL());
-
     if (!checkExtensions())
     {
         return;

src/tests/gl_tests/StateChangeTest.cpp

@@ -256,9 +256,6 @@ TEST_P(StateChangeTest, FramebufferIncompleteDepthStencilAttachment)
     ANGLE_SKIP_TEST_IF(getClientMajorVersion() < 3 &&
                        !extensionEnabled("GL_OES_packed_depth_stencil"));
 
-    // TODO(jmadill): Investigate the failure (https://anglebug.com/1388)
-    ANGLE_SKIP_TEST_IF(IsWindows() && IsIntel() && IsOpenGL());
-
     glBindFramebuffer(GL_FRAMEBUFFER, mFramebuffer);
     glBindTexture(GL_TEXTURE_2D, mTextures[0]);
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);

src/tests/gl_tests/TextureTest.cpp

@@ -3222,8 +3222,6 @@ TEST_P(Texture2DNorm16TestES3, TextureNorm16Test)
 // GLES 3.0.4 section 3.8.3.
 TEST_P(Texture2DTestES3, UnpackSkipImages2D)
 {
-    ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows() && IsDesktopOpenGL());
-
     // TODO(ynovikov): re-enable once root cause of http://anglebug.com/1429 is fixed
     ANGLE_SKIP_TEST_IF(IsAndroid() && IsAdreno() && IsOpenGLES());
 
@@ -3351,8 +3349,8 @@ TEST_P(Texture2DTestES3, DepthTexturesWithMipmaps)
 {
     // TODO(cwallez) this is failing on Intel Win7 OpenGL.
     // TODO(zmo) this is faling on Win Intel HD 530 Debug.
-    // http://anglebugs.com/1706
-    ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows());
+    // http://anglebug.com/1706
+    ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows() && IsOpenGL());
 
     const int size = getWindowWidth();
 

src/tests/gl_tests/UniformTest.cpp

@@ -1052,7 +1052,6 @@ TEST_P(UniformTestES3, ReturnsOnlyOneArrayElement)
 // triggered. It seems that the shader doesn't get a right 'false' value from the uniform.
 TEST_P(UniformTestES3, BooleanUniformAsIfAndForCondition)
 {
-    ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows());
     const char kFragShader[] =
         R"(#version 300 es
         precision mediump float;