This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.

Test: ../../resources/webgl_test_files/conformance2/glsl3/shader-with-mis-matching-uniform-block.html
[ 1: FAIL ] [unexpected link status] Shaders with precision mis-matching uniform blocks should fail
[ 2: PASS ] successfullyParsed is true
[ FAIL ] 1 failures reported