code: def test_instance():
      import os
  
      os.environ["THEANO_FLAGS"] = "device=cpu, floatX=float64"
      import brainiak.funcalign.sssrm
  
      model = brainiak.funcalign.sssrm.SSSRM()
      assert model, "Invalid SSSRM instance!"
  
imports: import pytest
label_desc: Use image node_id 1 for calling a global function with example usage: test_instance() without return types