--- a/dom/canvas/test/webgl-mochitest/test_no_arr_points.html
+++ b/dom/canvas/test/webgl-mochitest/test_no_arr_points.html
@@ -114,25 +114,25 @@ void main(void) {
     gl.drawArrays(gl.POINTS, hugeFirst, 1);
     ok(!isScreenBlack(), '[' + info + '] drawArrays[huge first] should color pixels.');
 
     checkGLError(ok, info);
 
     var elemTestFunc = todo; // We fail on most implementations.
     var checkGLTestFunc = todo;
     if (DriverInfo.getDriver() == DriverInfo.DRIVER.ANGLE ||
+        (DriverInfo.getOS() == DriverInfo.OS.MAC &&
+         DriverInfo.getDriver() == DriverInfo.DRIVER.INTEL) ||
         DriverInfo.getOS() == DriverInfo.OS.ANDROID)
     {
-      // ANGLE and Android slaves seem to work fine.
+      // These seem to work fine.
       elemTestFunc = ok;
       checkGLTestFunc = ok;
     }
-    if (DriverInfo.getDriver() == DriverInfo.DRIVER.ANDROID_X86_EMULATOR ||
-        DriverInfo.getOS() == DriverInfo.OS.B2G)
-    {
+    if (DriverInfo.getDriver() == DriverInfo.DRIVER.ANDROID_X86_EMULATOR) {
       // ...but the Android 4.2 x86 emulator environment is different
       elemTestFunc = todo;
       checkGLTestFunc = ok;
     }
 
     // Now for drawElements:
     gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, gl.createBuffer());
     gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, indexArr, gl.STATIC_DRAW);