Add a test for UA_QualifiedName_equal
Add a test for UA_QualifiedName_equal

This function had no coverage at all.

JGrothoff/open62541,jpfr/open62541,JGrothoff/open62541,open62541/open62541,open62541/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,StalderT/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,StalderT/open62541,StalderT/open62541,jpfr/open62541