Merge branch 'tests-improvments'

I2_Dobble/bintreeTest.c

@@ -107,6 +107,8 @@ void test_treeSize_returns_correct_size()
 int main(void)
 {
     UNITY_BEGIN();
+    
+    printf("\n============================\n Bintree tests\n============================\n");
 
     RUN_TEST(test_addToTree_single_element);
     RUN_TEST(test_addToTree_multiple_elements_and_size);

I2_Dobble/numbersTest.c

@@ -61,6 +61,8 @@ int main(void)
 {
     UNITY_BEGIN();
 
+    printf("\n============================\n Numbers tests\n============================\n");
+
     RUN_TEST(test_createNumbers_no_null);
     RUN_TEST(test_createNumbers_has_exactly_one_duplicate);
     RUN_TEST(test_createNumbers_has_correct_value_range);