Issue #3178919 by andregp, AndyF, codebymikey, ankithashetty, Ankit.Gupta,...
Issue #3178919 by andregp, AndyF, codebymikey, ankithashetty, Ankit.Gupta, alexpott, smustgrave, larowlan: Can't run tests with XDEBUG_CONFIG set to empty string
(cherry picked from commit e9750b4c)