This is a testharness.js-based test.
Found 4 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] WebGLRenderingContext includes WebGLRenderingContextOverloads: member names are unique
  assert_true: member bufferData is unique expected true got false
[FAIL] WebGL2RenderingContext includes WebGL2RenderingContextBase: member names are unique
  assert_true: member texImage3D is unique expected true got false
[FAIL] WebGL2RenderingContext includes WebGL2RenderingContextOverloads: member names are unique
  assert_true: member bufferData is unique expected true got false
[FAIL] WebGLObject interface: attribute label
  assert_true: The prototype object must have a property "label" expected true got false
Harness: the test ran to completion.