@Test
public void checkGetAllLHSVariables() {

    whenThereIsADecisionTableWithPatternsAndBRLCondition();
    assertThereAreBindings(() -> rm.getAllLHSVariables(),
                           "$p1",
                           "$p2",
                           "$p3",
                           "$p4",
                           "$f1",
                           "$f2");
}