Move docstrings to msg

Per @samwaseda's request

Signed-off-by: liamhuber <liamhuber@greyhavensolutions.com>

Author: liamhuber

tests/unit/parsers/test_import_parser.py

@@ -33,15 +33,17 @@ def test_import_from_registers_object_by_asname(self):
         self.assertNotIn("path", scope)
 
     def test_relative_import_raises(self):
-        """level > 0 (relative import) must raise ValueError."""
         node = ast.parse("from .foo import bar").body[0]
-        with self.assertRaises(ValueError):
+        with self.assertRaises(
+            ValueError, msg="level > 0 (relative import) must raise ValueError."
+        ):
             import_parser.build_scope(import_froms=[node])
 
     def test_none_module_raises(self):
-        """module=None with level=0 must also raise ValueError."""
         node = ast.ImportFrom(module=None, names=[ast.alias(name="something")], level=0)
-        with self.assertRaises(ValueError):
+        with self.assertRaises(
+            ValueError, msg="module=None with level=0 must also raise ValueError."
+        ):
             import_parser.build_scope(import_froms=[node])