Fix LoadInstrument usage test

The parameter count has changed.
Refs #10532
Re #10532 Renamed ei monitors names to names with dashes.
Re #10532 Change to unit tests caused by changes in properties
Re #10681 Merged changes from branch #10532

Merge remote-tracking branch 'remotes/origin/feature/10532_separatePropertyManager' into feature/10681_RedWrapper

Conflicts:
	Code/Mantid/scripts/Inelastic/DirectReductionProperties.py