diff --git a/src/test/java/device/cdPlayer/CDPlayerTest.java b/src/test/java/device/cdPlayer/CDPlayerTest.java
index dd985ed..56646dc 100644
--- a/src/test/java/device/cdPlayer/CDPlayerTest.java
+++ b/src/test/java/device/cdPlayer/CDPlayerTest.java
@@ -1,5 +1,6 @@
 package device.cdPlayer;
 
+import device.Device;
 import device.cdPlayer.exceptions.*;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.junit.jupiter.params.ParameterizedTest;
@@ -7,6 +8,10 @@ import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.junit.jupiter.MockitoExtension;
 
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -231,19 +236,30 @@ class CDPlayerTest {
 
     @ParameterizedTest
     @MethodSource("getOptionsTestData")
-    void getOptionsTest(String testName,String testDirection, CDPlayer _cdPlayer, String expectedResult){
+    void getOptionsTest(String testName,String testDirection, CDPlayer _cdPlayer){
         if(testDirection.equals("ReturnValueNotNull")) {
             assertThat(_cdPlayer.getOptions()).describedAs(testName).isNotEqualTo(null);
         }
         if(testDirection.equals("ArrayLengthGreaterThen0")) {
             assertThat(_cdPlayer.getOptions().length).describedAs(testName).isNotEqualTo(0);
         }
+        if(testDirection.equals("ArrayContainsInterfaceMethods")) {
+            Method[]interfaceMethods=Device.class.getDeclaredMethods();
+            List<String> deviceMethods = new ArrayList<String>(Arrays.asList(_cdPlayer.getOptions()));
+            for (int i = 0; i < interfaceMethods.length; i++) {
+                assertThat(deviceMethods.contains(interfaceMethods[i].getName())).describedAs(testName).isEqualTo(true);
+            }
+
+        }
+
+
     }
     static Stream<Arguments> getOptionsTestData () {
         CDPlayer cdPlayer1 = new CDPlayer();
         return Stream.of(
-                Arguments.of("[getOptions(): shouldNotReturnNull] => ReturnValueNotNull", "ReturnValueNotNull", cdPlayer1,null),
-                Arguments.of("[getOptions(): shouldReturnAnArrayWithLengthGreaterThen0] => ArrayLengthGreaterThen0", "ArrayLengthGreaterThen0", cdPlayer1,null)
+                Arguments.of("[getOptions(): shouldNotReturnNull] => ReturnValueNotNull", "ReturnValueNotNull", cdPlayer1),
+                Arguments.of("[getOptions(): shouldReturnAnArrayWithLengthGreaterThen0] => ArrayLengthGreaterThen0", "ArrayLengthGreaterThen0", cdPlayer1),
+                Arguments.of("[getOptions(): shouldReturnAnArrayWithInAllInterfaceMethods] => ArrayContainsInterfaceMethods", "ArrayContainsInterfaceMethods", cdPlayer1)
         );
     }