refactoring: added comments

test/ggT/test_ggT.c

@@ -4,10 +4,15 @@
 void setUp(){}
 void tearDown(){}
 
+
+// Test for Common Case
 void test_ggTOf5And10(){
     TEST_ASSERT_EQUAL_INT(5, ggT(5, 10));
 }
 
+
+
+// Tests for Cases with Zero in input
 void test_ggTOfFirstNumberZero(){
     TEST_ASSERT_EQUAL_INT(5, ggT(0, 5));
 }
@@ -20,6 +25,9 @@ void test_ggTOfBothNumbersZero(){
     TEST_ASSERT_EQUAL_INT(0, ggT(0, 0));
 }
 
+
+
+// Test for edge Case - Coprime Numbers
 void test_ggTOfCoprimes(){
     TEST_ASSERT_EQUAL_INT(1, ggT(13, 27));
 }