check that protein binding annotations have two assayed_using extensions - CHECK FAILURE:  expected 0 but got 9
feature_cvterm_id	?column?	uniquename	session
  413617	35e6ffe290c8f5c3-genotype-1 <-> decreased protein-protein interaction [assayed_using] PomBase:SPAC664.01c [assayed_protein] PomBase:SPCC622.16c [has_severity] low	PMID:31206516	35e6ffe290c8f5c3
  423037	260925d9ac1a773d-genotype-3 <-> decreased protein-protein interaction [assayed_protein] PomBase:SPBC36B7.08c	PMID:34810257	260925d9ac1a773d
  423038	260925d9ac1a773d-genotype-3 <-> increased protein-protein interaction [assayed_protein] PomBase:SPBC11C11.03	PMID:34810257	260925d9ac1a773d
  423039	260925d9ac1a773d-genotype-4 <-> increased protein-protein interaction [assayed_protein] PomBase:SPBC36B7.08c	PMID:34810257	260925d9ac1a773d
  464743	31248641de1cbfdc-genotype-4 <-> normal protein-protein interaction [assayed_using] PomBase:SPAC11E3.08c	PMID:30348841	5a8021665769078b
  464744	31248641de1cbfdc-genotype-4 <-> normal protein-protein interaction [assayed_using] PomBase:SPAC14C4.02c	PMID:30348841	5a8021665769078b
  464752	5a8021665769078b-genotype-6 <-> decreased protein-protein interaction [assayed_using] PomBase:SPAC11E3.08c [assayed_protein] PomBase:SPBC582.05c	PMID:30348841	5a8021665769078b
  476634	a6d8f45c20c2227d-genotype-9 <-> abolished protein-protein interaction [assayed_using] PomBase:SPBP19A11.03c [assayed_protein] PomBase:SPAC3G6.02	PMID:25306921	a6d8f45c20c2227d
  481361	0afd82c6e0085a3f-genotype-2 <-> abolished protein-protein interaction [assayed_using] PomBase:SPBC146.07 [assayed_protein] PomBase:SPBC21B10.05c	PMID:24586893	4e7e30e382d662d9