Suppress ESSL 3.10 integer math failure on AMD Linux

Failure was seen on bots since the test was introduced.

BUG=chromium:686105
BUG=angleproject:1730

Change-Id: I60293f17bf5e2498cbfb61f86468c218d58df68d
Reviewed-on: https://chromium-review.googlesource.com/434080
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
diff --git a/src/tests/gl_tests/GLSLTest.cpp b/src/tests/gl_tests/GLSLTest.cpp
index c3e791d..7e022d5 100644
--- a/src/tests/gl_tests/GLSLTest.cpp
+++ b/src/tests/gl_tests/GLSLTest.cpp
@@ -2610,6 +2610,13 @@
 // Test that FindLSB and FindMSB return correct values in their corner cases.
 TEST_P(GLSLTest_ES31, FindMSBAndFindLSBCornerCases)
 {
+    // Suspecting AMD driver bug - failure seen on bots running on AMD R5 230.
+    if (IsAMD() && IsOpenGL() && IsLinux())
+    {
+        std::cout << "Test skipped on AMD OpenGL Linux" << std::endl;
+        return;
+    }
+
     const std::string &fragmentShader =
         "#version 310 es\n"
         "precision mediump float;\n"