Allow Science & Technology Facilities Council

> STFC is an executive non-departmental public body, sponsored by the
> Department for Business, Energy & Industrial Strategy.
> http://www.stfc.ac.uk/

– https://www.gov.uk/government/organisations/science-and-technology-facilities-council

tests/app/main/test_validators.py

@@ -94,6 +94,7 @@ def _gen_mock_field(x):
     'test@cqc.org.uk',
     'test@digital.cqc.org.uk',
     'test@bl.uk',
+    'test@stfc.ac.uk',
 ])
 def test_valid_list_of_white_list_email_domains(
     client,