Bug 1362010 - Allow all test suites to run regardless of 'files-changed' on linux64-ccov. r=jmaher

This patch will allow jittest, jsreftest, and any other test suite to run on linux64-ccov regardless of whether or not the files in 'files-changed' have been matched with changes in a patch.

MozReview-Commit-ID: 78CWUTWBhV

--HG--
extra : rebase_source : 4e8bc8a43a6be2b15e2b51c986da9e5ba5adc039

taskcluster/taskgraph/transforms/tests.py

@@ -512,6 +512,7 @@ def enable_code_coverage(config, tests):
     for test in tests:
         if test['build-platform'] == 'linux64-ccov/opt':
             test['mozharness'].setdefault('extra-options', []).append('--code-coverage')
+            test['when'] = {}
             test['instance-size'] = 'xlarge'
             test['run-on-projects'] = []
         elif test['build-platform'] == 'linux64-jsdcov/opt':