[MERGE #2441 @dilijev] Mark regex-unicode-CaseInsensitive-all-*.js tests as Slow and increase timeout. Fixes #2440
[MERGE #2441 @dilijev] Mark regex-unicode-CaseInsensitive-all-*.js tests as Slow and increase timeout. Fixes #2440

Merge pull request #2441 from dilijev:alliu-slow

Interpreted mode runs close to 60 seconds on OS X test machines and there's no need to have these in non-Slow test runs.

Fixes #2440

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