Skip FramebufferTest_ES3. TextureAttachmentMipLevelsReadBack on Mac ASAN.

Reporting out-of-range accesses in the OpenGL driver.

Bug: angleproject:4737
Tbr: syoussefi@chromium.org
Change-Id: Ib2598ba569c395ec39687fd1395149be5110f37f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2243757
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
diff --git a/src/tests/gl_tests/FramebufferTest.cpp b/src/tests/gl_tests/FramebufferTest.cpp
index 4b184c7..d3c62c4 100644
--- a/src/tests/gl_tests/FramebufferTest.cpp
+++ b/src/tests/gl_tests/FramebufferTest.cpp
@@ -464,6 +464,11 @@
 
 TEST_P(FramebufferTest_ES3, TextureAttachmentMipLevelsReadBack)
 {
+#if defined(ADDRESS_SANITIZER)
+    // http://anglebug.com/4737
+    ANGLE_SKIP_TEST_IF(IsOSX());
+#endif
+
     GLFramebuffer framebuffer;
     glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);