refactoring: renamed test to fit what is actually tested

src/test/py/test_primitive_calculations.py

@@ -27,7 +27,7 @@ class primitive_calculations(unittest.TestCase):
     def test_subtract_minus_5_minus_minus_5_equals_0(self):
         self.assertEqual(subract(-5, -5), 0)
 
-    def test_subtract_minus_5_minus_minus_5_equals_1(self):
+    def test_multiply_5_multiply_5_equals_25(self):
         self.assertEqual(multiply(5, 5), 25)