added a test case for the command

src/test/c/Georg/test_tictactoe.c

@@ -59,6 +59,18 @@ void test_command_startGame(void){
     // act
     int actualState = handeCommand( input );
 
+    // assert
+    TEST_ASSERT_EQUAL_INT( expectedState, actualState );
+}
+
+void test_command_startMenu(void){
+    // arrange
+    int expectedState = 0;
+    char* input = "start menu";
+
+    // act
+    int actualState = handeCommand( input );
+
     // assert
     TEST_ASSERT_EQUAL_INT( expectedState, actualState );
 }