Merge pull request #2713 from GeorgeSabu-mec/master

fix typo(correct spelling of existence)

Author: efiop

tests/unit/remote/test_local.py

@@ -5,7 +5,7 @@
 def test_status_download_optimization(mocker):
     """When comparing the status to pull a remote cache,
         And the desired files to fetch are already on the local cache,
-        Don't check the existance of the desired files on the remote cache
+        Don't check the existence of the desired files on the remote cache
     """
     remote = RemoteLOCAL(None, {})