User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Steps to reproduce: 1. Install Firefox (51.0.1) or Latest version (53.0.3) 2. Go to https://www.khronos.org/registry/webgl/conformance-suites/1.0.0/webgl-conformance-tests.html 3. Run Tests 4. Observe below test failures conformance/bad-arguments-test.html: conformance/buffer-data-array-buffer.html: conformance/constants.html: conformance/error-reporting.html: conformance/framebuffer-object-attachment.html: conformance/get-active-test.html: conformance/gl-get-calls.html: conformance/gl-object-get-calls.html: conformance/glsl-conformance.html: conformance/index-validation.html: conformance/null-object-behaviour.html: conformance/object-deletion-behaviour.html: conformance/oes-vertex-array-object.html: conformance/origin-clean-conformance.html: conformance/tex-image-and-sub-image-2d-with-image.html: conformance/tex-image-and-sub-image-2d-with-video.html: conformance/webgl-specific.html: conformance/more/conformance/constants.html: conformance/more/conformance/quickCheckAPI.html: conformance/more/functions/readPixelsBadArgs.html: conformance/more/functions/texImage2DHTML.html: conformance/more/functions/texSubImage2DHTML.html: NOTE : Failures are observed in both NVIDIA and AMD Additional Information: Ellesmere + Ubuntu : Fail Tonga + RHEL : Fail Windows + Nvidia : Fail Ubuntu + Nvidia : Fail Actual results: WebGL tests failing Expected results: All test should pass