MAINT Added a test for ``GaussianHMM`` fitting
MAINT Added a test for ``GaussianHMM`` fitting

  surprisingly none of the tests actually checked the estimated
  parameters!

matthiasplappert/hmmlearn,hmmlearn/hmmlearn,dhuppenkothen/hmmlearn,fivejjs/hmmlearn,znichols/hmmlearn,znichols/hmmlearn,yunque/hmmlearn,aubreyli/hmmlearn,fivejjs/hmmlearn,yunque/hmmlearn,stringertheory/hmmlearn,matthiasplappert/hmmlearn,aubreyli/hmmlearn,vchu/hmmlearn,hmmlearn/hmmlearn,vchu/hmmlearn,stringertheory/hmmlearn,dhuppenkothen/hmmlearn