ID_OPERATION;
                            }
                            if (!fbComplete) {
                                expectStatus = gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
                                expectError = gl.INVALID_FRAMEBUFFER_OPERATION;
                            }

                            // -

                            wtu.framebufferStatusShouldBe(gl, gl.FRAMEBUFFER,
                              expectStatus, `{immutable: ${tex.immutable}, level_prime_base/max: [${level_prime_b