Update test_line_positive.py

kyu_3/line_safari_is_that_a_line/test_line_positive.py:34 in public method `test_line_positive`:
        D202: No blank lines allowed after function docstring (found 1)

        There's no blank line either before or after the docstring unless directly
        followed by an inner function or class.

kyu_3/line_safari_is_that_a_line/test_line_positive.py

@@ -31,8 +31,11 @@ class LinePositiveTestCase(unittest.TestCase):
     """Testing Line Safari functionality."""
 
     def test_line_positive(self):
-        """Positive test cases."""
-
+        """
+        Positive test cases.
+        
+        :return:
+        """
         allure.dynamic.title("Testing Line Safari functionality - POSITIVE")
         # pylint: disable-msg=R0801
         allure.dynamic.severity(allure.severity_level.NORMAL)