Rename TestQuotasClient to TestHostsClient

Test class in test_hosts_client.py should not be TestQuotasClient,
this is to rename it to TestHostsClient

Change-Id: If1f5beaae76cfd69656207ab3fd7b80e0a73830a
diff --git a/tempest/tests/lib/services/volume/v3/test_hosts_client.py b/tempest/tests/lib/services/volume/v3/test_hosts_client.py
index 67ae4fd..09bc0b1 100644
--- a/tempest/tests/lib/services/volume/v3/test_hosts_client.py
+++ b/tempest/tests/lib/services/volume/v3/test_hosts_client.py
@@ -18,7 +18,7 @@
 from tempest.tests.lib.services import base
 
 
-class TestQuotasClient(base.BaseServiceTest):
+class TestHostsClient(base.BaseServiceTest):
     FAKE_LIST_HOSTS = {
         "hosts": [
             {
@@ -66,7 +66,7 @@
     }
 
     def setUp(self):
-        super(TestQuotasClient, self).setUp()
+        super(TestHostsClient, self).setUp()
         fake_auth = fake_auth_provider.FakeAuthProvider()
         self.client = hosts_client.HostsClient(fake_auth,
                                                'volume',