// Test case 8 : Testing eject method and get cents back method
 @Test
 public void testEjectAndCentsBackCheck() {
   gumballM1.insertQuarter();
   gumballM1.ejectNickel();
   gumballM1.insertDime();
   gumballM1.insertDime();
   gumballM1.insertQuarter();
   // assertEquals(15, gumballM1.getChange());
   assertEquals(false, gumballM1.isGumballInSlot());
   gumballM1.turnCrank();
   assertEquals(true, gumballM1.isGumballInSlot());
 }
 // Test case 6 : Insert 2 quarters and turn crank and Insert 2 quarters again and turn crank
 // Chenking to see if multiple time inserting 50 cents dispences the gumball
 @Test
 public void testCountOfGumballsInSlot() {
   gumballM1.insertQuarter();
   gumballM1.insertQuarter();
   gumballM1.turnCrank();
   gumballM1.insertQuarter();
   gumballM1.insertQuarter();
   gumballM1.turnCrank();
   assertEquals(true, gumballM1.isGumballInSlot());
   gumballM1.takeGumballFromSlot();
   assertEquals(false, gumballM1.isGumballInSlot());
 }
 // Test case 5 : Inserting more then 50 cents and checking for change and Gumball in slot
 @Test
 public void testFiftyPlusSecond() {
   gumballM1.insertDime();
   gumballM1.insertDime();
   gumballM1.insertDime();
   gumballM1.insertQuarter();
   gumballM1.turnCrank();
   assertEquals(true, gumballM1.isGumballInSlot());
 }
 // Test case 1: insert 1 quarter, insert 1 dime and 3 nickel = 50Cents : +ve test case
 @Test
 public void testQDNNNHappy() {
   gumballM1.insertQuarter();
   gumballM1.insertDime();
   gumballM1.insertNickel();
   gumballM1.insertNickel();
   gumballM1.insertNickel();
   gumballM1.turnCrank();
   assertEquals(true, gumballM1.isGumballInSlot());
 }
 // 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());
 }
 // Test case 4 :Try to take a dispensed gumball and crank the machine again without inserting any
 // coin
 @Test
 public void testTakeGumballAndCrankAgainWithoutInsertingAnyCoinQDNNN() {
   gumballM1.insertQuarter();
   gumballM1.insertDime();
   gumballM1.insertNickel();
   gumballM1.insertNickel();
   gumballM1.insertNickel();
   gumballM1.turnCrank();
   gumballM1.takeGumballFromSlot();
   soldState.turnCrank();
   assertEquals(false, gumballM1.isGumballInSlot());
 }
 // Test case 3 : Checking whether gumball will be dispensed before inserting any coin
 @Test
 public void testCrankWithoutInsertingAnyCoin() {
   gumballM1.turnCrank();
   assertEquals(false, gumballM1.isGumballInSlot());
 }
 // Test case 10 : Checking whether the machine slot already has a gumball in the beginning
 @Test
 public void testGumballInSlotInTheBeginning() {
   assertEquals(false, gumballM1.isGumballInSlot());
 }
 // Test Case 7 : Negative test case : No gumball should return when less then 50 cents inserted
 // and turned crank
 @Test
 public void testAddOneQuarterNeg() {
   gumballM1.insertQuarter();
   gumballM1.turnCrank();
   assertEquals(false, gumballM1.isGumballInSlot());
 }