class_docstr: Test the component and interface system
class_docstr_tok: ["Test","the","component","and","interface","system"]
docstr: Test an interface implemented by two components
code: def testTwoImplementations(self):
      "Test an interface implemented by two components"
      self.assertEqual(implementations(I4), [C3, C4])
  
imports: from timeside.core.component import *
  from unit_timeside import *
label_desc: Use image node_id 3 for calling the TestComponentArchitecture obj's underlying member method code with example usage: obj.testTwoImplementations() without return types