Check that gene identifiers used in extensions exist - CHECK FAILURE:  expected 0 but got 13
value
  SPNCRNA.325
  SPNCRNA.310
  SPNCRNA.99
  SPNCRNA.911
  SPNCRNA.490
  SPNCRNA.508
  SPNCRNA.119
  SPNCRNA.342
  SPBC1685.12c
  SPBC36.13
  SPNCRNA.88
  SPNCRNA.341
  SPCC417.04