Merge branch 'doc/fix-typo-on-tests-style-guide' into 'master'

Fix typo on tests style guide

See merge request gitlab-org/gitlab-ce!26859

qa/STYLE_GUIDE.md

@@ -43,4 +43,4 @@ end
 
 Notice that in the above example, before clicking the `:operations_environments_link`, another element is hovered over.
 
-> We can create these methods as helpers to abstrac multi-step navigation.
+> We can create these methods as helpers to abstract multi-step navigation.
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