refactoring: renamed test to match content of test

src/test/py/logarithmic_ann_expo_and_root_calculations.py

@@ -15,7 +15,7 @@ class primitive_calculations(unittest.TestCase):
     def test_2_potentiate_3_equals_8(self):
         self.assertEqual(potentiate(2, 3), 8)
 
-    def test_8_log_3_equals_2(self):
+    def test_4_log_2_equals_2(self):
         self.assertEqual(logarithmize(4, 2), 2)
 
     def test_4_ld_equals_2(self):