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

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: Metal
PASS webgl2: Detected shader implementation language: Metal
PASS successfullyParsed is true

TEST COMPLETE