: 0, width: 4, height: 3,
        expectation: gl.INVALID_OPERATION, message: "level is 0, height is not a multiple of 4" },
      { level: 0, width: 3, height: 4,
        expectation: gl.INVALID_OPERATION, message: "level is 0, width is not a multiple of 4" },
      { level: 0, width: 2, height: 2,
        expectation: gl.INVALID_OPERATION, message: "level is 0, width is not a multiple of 4" },
      { level: 0, width: 4, height: 4,
        expectation: gl.NO_ERROR, message: "is valid" },
      { level: 1,