Hacker Rank :  Miscellaneous : Regex : Alien Username : fixing tests
Revert "Hacker Rank :  Miscellaneous : Regex : Alien Username : fixing tests"

This reverts commit 37b61113927bb7b2966d321b1a671867c4fc78d1.
Hacker Rank :  Miscellaneous : Regex : Alien Username : fixing tests
Merge branch 'HackerRank'