refactoring: test_floorValue_of_5_7, change on test file

src/test/test_funktionen.c

@@ -54,7 +54,7 @@ void test_factorial_of_5(void) {
 }
 
 
-void test_floorValue(void) {
+void test_floorValue_of_5_7(void) {
     float result = floorValue(5.7);
     TEST_ASSERT_EQUAL_FLOAT(5.0, result);
 }