D3D11: Skip DepthTexturesWithMipmaps on AMD/D3D11.

Possible driver bug.

Bug: angleproject:3342
Change-Id: Ia171a7ac0d764859c4440b1fe2986aa931ff75c2
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1550799
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
diff --git a/src/tests/gl_tests/TextureTest.cpp b/src/tests/gl_tests/TextureTest.cpp
index ea213ba..204f41d 100644
--- a/src/tests/gl_tests/TextureTest.cpp
+++ b/src/tests/gl_tests/TextureTest.cpp
@@ -3820,6 +3820,9 @@
     // http://anglebug.com/1706
     ANGLE_SKIP_TEST_IF(IsIntel() && IsWindows() && IsOpenGL());
 
+    // Seems to fail on AMD D3D11. Possibly driver bug. http://anglebug.com/3342
+    ANGLE_SKIP_TEST_IF(IsAMD() && IsWindows() && IsD3D11());
+
     const int size = getWindowWidth();
 
     auto dim   = [size](int level) { return size >> level; };