Reindent utils_test with 4 spaces

import unittest

import requests

class UtilsTests(unittest.TestCase):

    def setUp(self):

        self.url_options = "http://localhost:7860/sdapi/v1/options"

    def test_embeddings(self):

        self.assertEqual(requests.get(self.url_embeddings).status_code, 200)

if __name__ == "__main__":

    unittest.main()