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

Test: ../../resources/webgl_test_files/conformance/extensions/ext-texture-filter-anisotropic.html
[ 1: PASS ] WebGL context exists
[ 2: PASS ] getError was expected value: INVALID_ENUM : MAX_TEXTURE_MAX_ANISOTROPY_EXT should not be queryable if extension is disabled
[ 3: PASS ] getError was expected value: INVALID_ENUM : TEXTURE_MAX_ANISOTROPY_EXT should not be queryable if extension is disabled
[ 4: PASS ] getError was expected value: INVALID_ENUM : TEXTURE_MAX_ANISOTROPY_EXT should not be settable if extension is disabled
[ 5: PASS ] getError was expected value: INVALID_ENUM : TEXTURE_MAX_ANISOTROPY_EXT should not be settable if extension is disabled
[ 6: PASS ] Successfully enabled EXT_texture_filter_anisotropic extension
[ 7: PASS ] EXT_texture_filter_anisotropic listed as supported and getExtension succeeded
[ 8: PASS ] ext.MAX_TEXTURE_MAX_ANISOTROPY_EXT is 0x84FF
[ 9: PASS ] getError was expected value: NO_ERROR : MAX_TEXTURE_MAX_ANISOTROPY_EXT query should succeed if extension is enabled
[ 10: PASS ] Minimum value of MAX_TEXTURE_MAX_ANISOTROPY_EXT is 2.0
[ 11: PASS ] ext.TEXTURE_MAX_ANISOTROPY_EXT is 0x84FE
[ 12: PASS ] getError was expected value: NO_ERROR : TEXTURE_MAX_ANISOTROPY_EXT query should succeed if extension is enabled
[ 13: PASS ] Initial value of TEXTURE_MAX_ANISOTROPY_EXT is 1.0
[ 14: PASS ] getError was expected value: INVALID_VALUE : texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to < 1 should be an invalid value
[ 15: PASS ] getError was expected value: INVALID_VALUE : texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to < 1 should be an invalid value
[ 16: PASS ] getError was expected value: NO_ERROR : texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should succeed
[ 17: PASS ] getError was expected value: NO_ERROR : texParameteri TEXTURE_MAX_ANISOTROPY_EXT set to >= 2 should succeed
[ 18: PASS ] Set value of TEXTURE_MAX_ANISOTROPY_EXT matches expecation
[ 19: PASS ] getError was expected value: NO_ERROR : texParameterf TEXTURE_MAX_ANISOTROPY_EXT set to 1.5 should succeed
[ 20: FAIL ] Set value of TEXTURE_MAX_ANISOTROPY_EXT should be: 1.5 , returned value was: 2
[ 21: PASS ] successfullyParsed is true
[ FAIL ] 1 failures reported