Add more tests

Author: namannimmo10

integration_tests/test_builtin_round.py

@@ -8,6 +8,12 @@ def test_round():
     print(round(f))
     f = 44.34
     print(round(f))
+    f = 0.5
+    print(round(f))
+    f = -50.5
+    print(round(f))
+    f = 1.5
+    print(round(f))
     assert round(13.001) == 13
     assert round(-40.49999) == -40