Test if expanded_environment_name could expand var
Test if expanded_environment_name could expand var

with symbols. Feedback:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/8088#note_20234245

dreampet/gitlab,openwide-java/gitlabhq,t-zuehlsdorff/gitlabhq,dplarson/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,mmkassem/gitlabhq,iiet/iiet-git,LUMC/gitlabhq,axilleas/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,openwide-java/gitlabhq,openwide-java/gitlabhq,htve/GitlabForChinese,htve/GitlabForChinese,dplarson/gitlabhq,t-zuehlsdorff/gitlabhq,stoplightio/gitlabhq,LUMC/gitlabhq,openwide-java/gitlabhq,stoplightio/gitlabhq,htve/GitlabForChinese,iiet/iiet-git,axilleas/gitlabhq,t-zuehlsdorff/gitlabhq,htve/GitlabForChinese,mmkassem/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,jirutka/gitlabhq,dplarson/gitlabhq,dplarson/gitlabhq,axilleas/gitlabhq,LUMC/gitlabhq,darkrasid/gitlabhq,darkrasid/gitlabhq,dreampet/gitlab,darkrasid/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,darkrasid/gitlabhq