commit 2217a5170cf68932020867dd40c4137a748dd2e1
Author: Jeff Gilbert <jdashg@gmail.com>
Date:   Fri Mar 13 13:10:49 2020 -0700

    Add Render();NoOpResize();Render(); tests.
    
    Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1621523

Cherries picked
================================================================================
Merge base from: ups/master

commit b49347b2c51eba1a60e63046bd8b9db0f2f8efba
Author: Jeff Gilbert <jdashg@gmail.com>
Date:   Mon Mar 9 11:48:08 2020 -0700

    Add testcase for minimal glsl line comment, and related. (#3035)
    
    * Add testcase for minimal glsl line comment, and related.
    
    Firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1620876
    
    * Improve testcase description.