@Test
void checkPrmWithStayingMutability() {

    OTPatternRefinementModel refinementModel = generatePrmWithStayMapping();
    PermutationGenerator permutationGenerator = new PermutationGenerator();
    assertTrue(permutationGenerator.checkMutability(refinementModel));
    assertEquals(2, refinementModel.getPermutationOptions().size());
    assertEquals(5, refinementModel.getPermutationMappings().size());
}