Method getInfoText of CDPlayer tested on MessageShouldContainInfoAboutDevice.

src/main/java/device/cdPlayer/CDPlayer.java

@@ -162,7 +162,7 @@ public class CDPlayer implements Device {
     }
 
     public void setInfoText() {
-        this.infoText="CDPlayer: Item->"+actualPlayTrack+" from Album->"+this.loadedCD.getAlbumName()+" running.";
+        this.infoText=this.getClass().getSimpleName()+": Item->"+actualPlayTrack+" from Album->"+this.loadedCD.getAlbumName()+" running.";
     }
 
 

src/test/java/device/cdPlayer/CDPlayerTest.java

@@ -300,6 +300,9 @@ class CDPlayerTest {
             String albumName= _cdPlayer.getCD().getAlbumName();
             assertThat(_cdPlayer.getInfoText().contains(albumName)).describedAs(testName).isEqualTo(true);
         }
+        if(cases.equals("Case5")) {
+            assertThat(_cdPlayer.getInfoText().contains("CDPlayer")).describedAs(testName).isEqualTo(true);
+        }
 
     }
     static Stream<Arguments> getInfoTestData () {
@@ -319,7 +322,8 @@ class CDPlayerTest {
                 Arguments.of("[getInfoText() by infoText=null ] => shouldThrowReturnValueNullException","Case1", cdPlayer1,new ReturnValueNullException(),""),
                 Arguments.of("[getInfoText() by infoText=null ] => ExceptionShouldReturnAMessage","Case2",cdPlayer1,new ReturnValueNullException(),"Method should not return a Null-Value."),
                 Arguments.of("[getInfoText() by infoText=Message ] => MessageShouldContainInfoOfActualPlayTrack","Case3",cdPlayer2,null,""),
-                Arguments.of("[getInfoText() by infoText=Message ] => MessageShouldContainInfoAboutAlbum","Case4",cdPlayer2,null,"")
+                Arguments.of("[getInfoText() by infoText=Message ] => MessageShouldContainInfoAboutAlbum","Case4",cdPlayer2,null,""),
+                Arguments.of("[getInfoText() by infoText=Message ] => MessageShouldContainInfoAboutDevice","Case5",cdPlayer2,null,"")
         );
     }