diff --git a/src/main/c/Snake/snake_start.c b/src/main/c/Snake/snake_start.c
index 70bc96e..12fb3d5 100644
--- a/src/main/c/Snake/snake_start.c
+++ b/src/main/c/Snake/snake_start.c
@@ -7,7 +7,7 @@
 #include "get_character.h"
 #define TIME_TURN 0.3
 
-
+#pragma region Funktion_heads
 void main_menu();
 void game();
 Snake initialize_snake();
@@ -18,7 +18,7 @@ int part_of_snake(Snake *snake, unsigned char tile);
 bool check_if_dead(Snake *snake);
 unsigned char spawn_fruit(Snake *snake);
 unsigned char eating_fruit(Snake *snake);
-
+#pragma endregion
 
 void snake_start(){
     system("clear");
diff --git a/src/main/c/Snake/snake_start.h b/src/main/c/Snake/snake_start.h
index 9240626..1634146 100644
--- a/src/main/c/Snake/snake_start.h
+++ b/src/main/c/Snake/snake_start.h
@@ -15,6 +15,8 @@ typedef struct{
 void snake_start();
 Snake initialize_snake();
 int part_of_snake(Snake *snake, unsigned char tile);
+void move_snake(Snake *snake);
+bool check_if_dead(Snake *snake);
 
 
 #endif // SNAKE_START_H
\ No newline at end of file
diff --git a/test/Snake/test_collision.c b/test/Snake/test_collision.c
index b70676d..e5d5a63 100644
--- a/test/Snake/test_collision.c
+++ b/test/Snake/test_collision.c
@@ -12,7 +12,7 @@ void tearDown(void){}
 void test_self_collision(void){
     /* arrange */
     bool result;
-    Snake snake = {{1, 0}, 5, {6 + 16 * 6, 6 + 16 * 7, 7 + 16 * 7, 7 + 16 * 6, 6 + 16 * 6}};
+    Snake snake = {1, 5, {6 + 16 * 6, 6 + 16 * 7, 7 + 16 * 7, 7 + 16 * 6, 6 + 16 * 6}};
 
     /* act */
     result = check_if_dead(&snake);
@@ -38,7 +38,7 @@ void test_no_collision(void){
 void test_wall_collision(void){
     /* arrange */
     bool result;
-    Snake snake = {{1, 0}, 4, {0 + 16 * 6, 1 + 16 * 6, 2 + 16 * 6, 3 + 16 * 6}};
+    Snake snake = {-1, 4, {0 + 16 * 6, 1 + 16 * 6, 2 + 16 * 6, 3 + 16 * 6}};
 
     /* act */
     result = check_if_dead(&snake);
diff --git a/test/Snake/test_moving_snake.c b/test/Snake/test_moving_snake.c
new file mode 100644
index 0000000..b098f9e
--- /dev/null
+++ b/test/Snake/test_moving_snake.c
@@ -0,0 +1,27 @@
+#ifdef TEST
+#include "unity.h"
+#include <stdbool.h>
+#include <memory.h>
+#include "../../src/main/c/Snake/snake_start.h"
+#include "../../src/main/c/Snake/get_character.h"
+
+
+void setUp(void){}
+void tearDown(void){}
+
+
+void test_moving_right(void){
+    /* arrange */
+    bool result;
+    Snake snake = {1, 3, {8 + 16 * 6, 7 + 16 * 6, 6 + 16 * 6}};
+    Snake expected = {1, 3, {9 + 16 * 6, 8 + 16 * 6, 7 + 16 * 6}};
+
+    /* act */
+    move_snake(&snake);
+    result = memcmp(&snake, &expected, sizeof(Snake)) == 0;
+
+    /* assert */
+    TEST_ASSERT_TRUE(result);//head collides with body
+}
+
+#endif // TEST
\ No newline at end of file