### Question:
SpecimenTypeInjectorBehaviour implements FixtureBehaviour { @Override public SpecimenBuilder transform(SpecimenBuilder builder) { return new SpecimenTypeInjector(builder); }  @Override SpecimenBuilder transform(SpecimenBuilder builder);  }### Answer:
@Test public void transform_returns_instance_of_specimen_type_injector() { SpecimenTypeInjectorBehaviour behaviour = new SpecimenTypeInjectorBehaviour(); SpecimenBuilder transformed = behaviour.transform(mock(SpecimenBuilder.class)); assertTrue(transformed instanceof SpecimenTypeInjector); }