Merge pull request #6 in SSA/data from wksp_df_pytest_20200708 to master

apps/cli/executables/datafetcher/requirements.txt

apps/cli/executables/datafetcher/src/datafetcher/commands.py

...xecutables/datafetcher/src/datafetcher/file_retrievers.py

...ecutables/datafetcher/src/datafetcher/locations_report.py

...ecutables/datafetcher/src/datafetcher/product_fetchers.py

.../cli/executables/datafetcher/src/datafetcher/utilities.py

apps/cli/executables/datafetcher/test/datafetcher_test.py

...cli/executables/datafetcher/test/locations_report_test.py

apps/cli/executables/datafetcher/test/logging_test.py

apps/cli/executables/datafetcher/test/retriever_test.py

apps/cli/executables/datafetcher/test/testing_utils.py