Added tests for setting models.fields.FilePathField.path.

tests/model_fields/test_filepathfield.py

+import os
+
+from django.db.models import FilePathField
+from django.test import SimpleTestCase
+
+
+class FilePathFieldTests(SimpleTestCase):
+    def test_path(self):
+        path = os.path.dirname(__file__)
+        field = FilePathField(path=path)
+        self.assertEqual(field.path, path)
+        self.assertEqual(field.formfield().path, path)