OS#14859460: EOITest should hardfail if isPrevWillNotProgress (not Regress)
OS#14859460: EOITest should hardfail if isPrevWillNotProgress (not Regress)

Regress was erroneously copied from BOLTest logic in the original change.

mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore