diff --git a/src/test/java/BordComputerTest.java b/src/test/java/BordComputerTest.java
index 91d5d18..a90ab88 100644
--- a/src/test/java/BordComputerTest.java
+++ b/src/test/java/BordComputerTest.java
@@ -97,6 +97,8 @@ class BordComputerTest {
             assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
         }else if (caseNr == 4) {
             assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
+        }else if (caseNr == 5) {
+            assertThat(inputBC.changeDevice()).describedAs(testName).isNotNull();
         }
     }
 
@@ -130,13 +132,20 @@ class BordComputerTest {
         m =bc3.changeDevice();
         m =bc3.changeDevice(); //CDPlayer
 
-
+        //fifth case
+        BordComputer bc4 = new BordComputer();
+        bc4.readConfig();
+        bc4.setDevices();
+        m =bc4.changeDevice();
+        m =bc4.changeDevice(); //CDPlayer
+        m =bc4.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 ", bc3,null,prvDevice,null,4),
+                Arguments.of("The new Device returns a String ", bc3,null,prvDevice,null,5)
 
         );
     }