// Test Case 9: Insert 50 cents first but remove some amount before
 // turning crank then check to see if gumball is dispenced or not : -ve test case
 @Test
 public void TestQDDDDEjectQNegative() {
   gumballM1.insertQuarter();
   gumballM1.insertDime();
   gumballM1.insertDime();
   gumballM1.insertDime();
   gumballM1.ejectQuarter();
   gumballM1.turnCrank();
   assertEquals(false, gumballM1.isGumballInSlot());
 }