Fix test_sort_contacts_by_last_name

Test: https://android-build.corp.google.com/abtd/run/L82600030006418417/
Bug: 366000448
Change-Id: I17fb13fce6610d33b18b815bbd3dc46fd5d994e7
diff --git a/tests/automotive/mobly_tests/dialer/dialer_hfp_error_test.py b/tests/automotive/mobly_tests/dialer/dialer_hfp_error_test.py
index fdb626f..4c64e88 100644
--- a/tests/automotive/mobly_tests/dialer/dialer_hfp_error_test.py
+++ b/tests/automotive/mobly_tests/dialer/dialer_hfp_error_test.py
@@ -26,5 +26,10 @@
     self.call_utils.wait_with_log(5)
     asserts.assert_true(self.call_utils.is_bluetooth_hfp_error_displayed(),'hfp error is displayed')
 
+  def teardown_test(self):
+    # enabling the Bluetooth
+    self.target.mbs.btEnable()
+    super().teardown_test()
+
 if __name__ == '__main__':
     common_main()