diff --git a/src/test/java/ch/zhaw/pm2/racetrack/GameTest.java b/src/test/java/ch/zhaw/pm2/racetrack/GameTest.java
index 15ecda3..45a0f44 100644
--- a/src/test/java/ch/zhaw/pm2/racetrack/GameTest.java
+++ b/src/test/java/ch/zhaw/pm2/racetrack/GameTest.java
@@ -255,7 +255,12 @@ class GameTest {
         private final Integer[] instructions;
         private int pointerDir,pointerInstruction;
 
-
+        /**
+         * Constructor to create a new Interface Object
+         * @param welcometext The first Text which will be printed in the UserInterface Window
+         * @param instructions list of instructions to simulate userinput
+         * @param directions list of Directions to simulate userinput
+         */
         public Interface(String welcometext, Integer[] instructions, PositionVector.Direction[] directions) {
             super(welcometext);
             pointerDir = -1;
@@ -264,6 +269,12 @@ class GameTest {
             this.directions = directions;
         }
 
+        /**
+         * Overwriting Method for testing without userinteraction
+         * @param text    Text which is printed before the options are printed. Example: "Select Track file:"
+         * @param options List with the options which can be selected.
+         * @return the selected Option
+         */
         @Override
         public int selectOption(String text, List<String> options) {
             pointerInstruction++;
@@ -271,12 +282,29 @@ class GameTest {
 
         }
 
+        /**
+         * Overwriting Method for testing without userinteraction
+         * @param text The Text which should be printed.
+         */
+        @Override
         public void printInformation(String text) {
         }
 
+        /**
+         * Overwriting Method for testing without userinteraction
+         * @param text Output Text
+         */
+        @Override
         public void quit(String text) {
         }
 
+        /**
+         * Overwriting Method for testing without userinteraction
+         * @param playingCarIndex the index of the player
+         * @param playingCarID    the ID of the player
+         * @return the direction to accelerate
+         */
+        @Override
         public PositionVector.Direction selectDirection(int playingCarIndex, char playingCarID) {
             pointerDir += 1;
             if(pointerDir < directions.length) {