This test outputs WebGL GLSL implementation language when using WebGLUsingMetal=false.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

TEST COMPLETE: 3 PASS, 0 FAIL


PASS webgl: Detected shader implementation language: OpenGL
PASS webgl2: Detected shader implementation language: OpenGL
PASS successfullyParsed is true

TEST COMPLETE

