refactoring: changed class name

src/test/py/test_read_math_function.py

@@ -3,7 +3,7 @@ from src.main.py.read_math_function import *
 from unittest.mock import patch
 
 
-class read_function(unittest.TestCase):
+class ReadFunction(unittest.TestCase):
     def test_constant_without_calculation(self):
         self.assertEqual(simplify_constant("c", 42), 42)