fix intermittant errors in merge_commit_message_toggle_spec.rb
fix intermittant errors in merge_commit_message_toggle_spec.rb

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