Fix and add to OperatingPeriod tests
Fix and add to OperatingPeriod tests

jclgoodwin/bustimes.org.uk,stev-0/bustimes.org.uk,jclgoodwin/bustimes.org.uk,jclgoodwin/bustimes.org.uk,stev-0/bustimes.org.uk,jclgoodwin/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk,stev-0/bustimes.org.uk