BordComputer.play; instance of RadioPlayer -> without fulfilling preconditions: ShouldWorkWell.

src/test/java/BordComputerTest.java

@@ -108,10 +108,17 @@ class BordComputerTest {
             assertEquals(newException.getMessage(), "No Item returned even all preconditions are met.");
         }
         if(testCase.equals("Case5")) {
+            Device usbPlayer=bordComputer.getInstanceByName(instanceName);
+            bordComputer.setActiveDevice(usbPlayer);
             Exception newException = assertThrows(NoItemEvenAllPreconditionAreMet.class, () -> bordComputer.play());
             assertEquals(NoItemEvenAllPreconditionAreMet.class, newException.getClass());
             assertEquals(newException.getMessage(), "No Item returned even all preconditions are met.");
         }
+        if(testCase.equals("Case6")) {
+            Device radioPlayer=bordComputer.getInstanceByName(instanceName);
+            bordComputer.setActiveDevice(radioPlayer);
+            assertDoesNotThrow(() -> bordComputer.play());
+        }
     }
 
     static Stream<Arguments> playDate()throws ClassNotFoundException, InvocationTargetException, NoSuchMethodException, InstantiationException, IllegalAccessException {
@@ -126,7 +133,8 @@ class BordComputerTest {
                 Arguments.of("[RadioPlayer-> play(): after all preconditions are met] => ShouldReturnAnItemToPlay","Case2",bordComputer,"RadioPlayer"),
                 Arguments.of("[UsbPlayer-> play(): after all preconditions are met] => ShouldReturnAnItemToPlay","Case3",bordComputer,"UsbPlayer"),
                 Arguments.of("[CDPlayer-> play(): without fulfilling preconditions] => ShouldReturnAnException","Case4",bordComputer2,"CDPlayer"),
-                Arguments.of("[UsbPlayer-> play(): without fulfilling preconditions] => ShouldReturnAnException","Case5",bordComputer2,"UsbPlayer")
+                Arguments.of("[UsbPlayer-> play(): without fulfilling preconditions] => ShouldReturnAnException","Case5",bordComputer2,"UsbPlayer"),
+                Arguments.of("[RadioPlayer-> play(): without fulfilling preconditions] => ShouldWorkWell","Case6",bordComputer2,"RadioPlayer")
         );
     }