The EXT_texture_filter_anisotropic test need to check the extension doesn't break NEAREST filtering

[greggman]

Setting TEXTURE_MAX_ANISOTROPY_EXT > 1.0 seems to force linear filtering on ANGLE but not on OpenGL

https://jsfiddle.net/greggman/zhq5ry04/

Compare results on Mac/Linux vs Windows (ANGLE)

The conformance test should probably check that?

[kdashg]

I have written a test, and the broken ANGLE behavior is that with MAX_ANISOTROPY: 2, NEAREST acts as LINEAR, and *_MIPMAP_* all act as LINEAR_MIPMAP_LINEAR.