This tests drawBuffers, readBuffer, and fbo completeness
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
TEST COMPLETE: 10 PASS, 0 FAIL
PASS context exists fbo with two color images attached should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE drawBuffers selects ATTACHMENT1, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE remove image attached to ATTACHMENT1, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE set read buffer to ATTACHMENT1, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE drawBuffers selects ATTACHMENT0, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE drawBuffers selects ATTACHMENT1, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE set read buffer to ATTACHMENT0, fbo should be complete PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE PASS getError was expected value: NO_ERROR : should be no error after setup and clear render buffer PASS successfullyParsed is true TEST COMPLETE