diff --git a/src/test/java/BordComputerTest.java b/src/test/java/BordComputerTest.java
index 0491de9..71a7376 100644
--- a/src/test/java/BordComputerTest.java
+++ b/src/test/java/BordComputerTest.java
@@ -100,6 +100,8 @@ class BordComputerTest {
             assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
         }else if (caseNr == 6) {
             assertThat(inputBC.changeDevice()).describedAs(testName).contains("USB Player");
+        }else if (caseNr == 7) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).contains("CDPlayer");
         }
     }
 
@@ -147,13 +149,21 @@ class BordComputerTest {
         bc5.setDevices();
         m =bc5.changeDevice();
 
+        //seventh case
+        BordComputer bc6 = new BordComputer();
+        bc6.readConfig();
+        bc6.setDevices();
+        m =bc6.changeDevice();
+        m =bc6.changeDevice();
+
         return Stream.of(
                 Arguments.of("The order of the installedDevices should be changed ", bc,currentDevices,null,"",1),
                 Arguments.of("The active Device should be changed ", bc1,null,prvDevice,"",2),
                 Arguments.of("The new Device returns a String ", bc2,null,prvDevice,bc2.activeDevice.toString(),3),
                 Arguments.of("The new Device returns a String ", bc3,null,prvDevice,null,4),
                 Arguments.of("The new Device returns a String ", bc4,null,prvDevice,null,5),
-                Arguments.of("The new Device returns Info ", bc5,null,prvDevice,null,6)
+                Arguments.of("The new Device returns Info ", bc5,null,prvDevice,null,6),
+                Arguments.of("The new Device returns Info ", bc6,null,prvDevice,null,7)
         );
     }
 }
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