Skip EXTMultisampleCompatibilityTest.DrawAndResolve on Mac Mini 8.1

Bug: angleproject:5270
Change-Id: I11ec5f9eef3989ac99a618bf5ab707484710a254
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2508972
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

Author: y-novikov

src/tests/gl_tests/MultisampleCompatibilityTest.cpp

@@ -172,6 +172,9 @@ TEST_P(EXTMultisampleCompatibilityTest, DrawAndResolve)
     if (!isApplicable())
         return;
 
+    // http://anglebug.com/5270
+    ANGLE_SKIP_TEST_IF(IsOSX() && IsIntelUHD630Mobile() && IsDesktopOpenGL());
+
     static const float kBlue[]  = {0.0f, 0.0f, 1.0f, 1.0f};
     static const float kGreen[] = {0.0f, 1.0f, 0.0f, 1.0f};
     static const float kRed[]   = {1.0f, 0.0f, 0.0f, 1.0f};