refactoring: standardized the test naming

test/kgV/test_kgV.c

@@ -6,7 +6,7 @@ void setUp(void){}
 void tearDown(void){}
 
 // Tests for common Cases:
-void test_kgV8And6(void) {
+void test_kgVOf8And6(void) {
     TEST_ASSERT_EQUAL_INT(24, kgV(8, 6));
 }