remove system exits from datafetcher tests

apps/cli/executables/datafetcher/datafetcher/project_fetcher.py

@@ -134,17 +134,14 @@ class ParallelFetcher(BaseFetcher):
     def fetch_bucket(self, bucket):
         """ Grab the files in this bucket """
         file_sizes = [file["size"] for file in bucket["files"]]
-        pprint(f"retrieving files {file_sizes} from {bucket['server']}")
+        pprint(f"retrieving files {file_sizes}")
         self._LOG.debug(
             f"{bucket['retrieve_method']} "
             f"{len(bucket['files'])} files from "
             f"{bucket['server']}...."
         )
-        num_files = self.retrieve_files(
-            bucket["server"], bucket["retrieve_method"], bucket["files"]
-        )
-        print(f"done retrieving files {file_sizes} from {bucket['server']}")
-        return num_files
+        self.retrieve_files(bucket["server"], bucket["retrieve_method"], bucket["files"])
+        print(f"done retrieving files {file_sizes}")
 
     def run(self):
         """ Fetch all the files for the product locator """