Fix test_source_simbad in scheduled tests

[kelle]

The scheduled tests are failing due to identifying some close binaries as duplicate sources.

maybe the test_source_simbad test needs to be modified to use the companion relationships table.

Multiple matches for HD 130948B                      : ['CNS5 3668', 'GJ 564 C', 'GJ 564 B', 'WDS J14503+2355B', 'HD 130948C', 'WDS J14503+2355C', 'HD 130948BC', 'HD 130948B', 'POT 1BC']
   source    other_name
----------- -----------
 HD 130948B  HD 130948B
HD 130948BC HD 130948BC
 HD 130948C  HD 130948C
Multiple matches for HD 130948BC                     : ['CNS5 3668', 'GJ 564 C', 'GJ 564 B', 'WDS J14503+2355B', 'HD 130948C', 'WDS J14503+2355C', 'HD 130948BC', 'HD 130948B', 'POT 1BC']
   source    other_name
----------- -----------
 HD 130948B  HD 130948B
HD 130948BC HD 130948BC
 HD 130948C  HD 130948C
Multiple matches for HD 130948C                      : ['CNS5 3668', 'GJ 564 C', 'GJ 564 B', 'WDS J14503+2355B', 'HD 130948C', 'WDS J14503+2355C', 'HD 130948BC', 'HD 130948B', 'POT 1BC']
   source    other_name
----------- -----------
 HD 130948B  HD 130948B
HD 130948BC HD 130948BC
 HD 130948C  HD 130948C