More .Provider references in OS identity v3.
diff --git a/testhelper/client/fake.go b/testhelper/client/fake.go
index 3eb9e12..5b69b05 100644
--- a/testhelper/client/fake.go
+++ b/testhelper/client/fake.go
@@ -11,7 +11,7 @@
 // ServiceClient returns a generic service client for use in tests.
 func ServiceClient() *gophercloud.ServiceClient {
 	return &gophercloud.ServiceClient{
-		Provider: &gophercloud.ProviderClient{TokenID: TokenID},
-		Endpoint: testhelper.Endpoint(),
+		ProviderClient: &gophercloud.ProviderClient{TokenID: TokenID},
+		Endpoint:       testhelper.Endpoint(),
 	}
 }