Fixed typo

Author: alstar555

test/build/40_pull.bats

@@ -575,7 +575,7 @@ EOF
     # check if output errors
     if [[ $retcode -ne 0 ]]; then
         echo "fail: part_ file wasn't cleaned properly."
-        # Clean up the file if the test fails
+        # clean up the file if the test fails
         rm /var/tmp/albug/dlcache/part_PROBLEM
         exit 1
     fi