Add tests to make sure client classes are set properly on test cases

Author: browniebroke

tests/test_testcases.py

@@ -0,0 +1,19 @@
+from django_hosts.test import TestCase, HostsClient, AsyncHostsClient, SimpleTestCase, TransactionTestCase
+
+
+class TestHostsTestCase(TestCase):
+    def test_client_class_instances(self):
+        assert isinstance(self.client, HostsClient)
+        assert isinstance(self.async_client, AsyncHostsClient)
+
+
+class TestSimpleHostsTestCase(SimpleTestCase):
+    def test_client_class_instances(self):
+        assert isinstance(self.client, HostsClient)
+        assert isinstance(self.async_client, AsyncHostsClient)
+
+
+class TestTransactionHostsTestCase(TransactionTestCase):
+    def test_client_class_instances(self):
+        assert isinstance(self.client, HostsClient)
+        assert isinstance(self.async_client, AsyncHostsClient)