Skip SimpleOperationTest.DrawQuadAndSwap on Linux Intel Vulkan

Was flaky.

BUG=angleproject:2301

Change-Id: Id71cf6c43e133810c64535bbde494d12546b0adc
Reviewed-on: https://chromium-review.googlesource.com/854978
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
diff --git a/src/tests/gl_tests/SimpleOperationTest.cpp b/src/tests/gl_tests/SimpleOperationTest.cpp
index 7701ac4..3a583d2 100644
--- a/src/tests/gl_tests/SimpleOperationTest.cpp
+++ b/src/tests/gl_tests/SimpleOperationTest.cpp
@@ -231,6 +231,9 @@
 // Simple repeated draw and swap test.
 TEST_P(SimpleOperationTest, DrawQuadAndSwap)
 {
+    // anglebug.com/2301
+    ANGLE_SKIP_TEST_IF(IsLinux() && IsIntel() && IsVulkan());
+
     const std::string &vertexShader =
         "attribute vec3 position;\n"
         "void main()\n"