add doc for running a single file for test (#1885)

prebid · Nov 27, 2017 · 6c5d38f · 6c5d38f
1 parent 2fce2dc
commit 6c5d38f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -113,6 +113,11 @@ To run the unit tests:
 ```bash
 gulp test
 ```
+To run tests for a single file:
+
+```bash
+gulp test --file "path/to/spec/file.js"
+```
 
 To generate and view the code coverage reports: