bump gophercloud version in user agent tests
diff --git a/provider_client_test.go b/provider_client_test.go
index 2f3370e..468b2c3 100644
--- a/provider_client_test.go
+++ b/provider_client_test.go
@@ -19,17 +19,17 @@
 	p := &ProviderClient{}
 
 	p.UserAgent.Prepend("custom-user-agent/2.4.0")
-	expected := "custom-user-agent/2.4.0 gophercloud/1.0.0"
+	expected := "custom-user-agent/2.4.0 gophercloud/2.0.0"
 	actual := p.UserAgent.Join()
 	th.CheckEquals(t, expected, actual)
 
 	p.UserAgent.Prepend("another-custom-user-agent/0.3.0", "a-third-ua/5.9.0")
-	expected = "another-custom-user-agent/0.3.0 a-third-ua/5.9.0 custom-user-agent/2.4.0 gophercloud/1.0.0"
+	expected = "another-custom-user-agent/0.3.0 a-third-ua/5.9.0 custom-user-agent/2.4.0 gophercloud/2.0.0"
 	actual = p.UserAgent.Join()
 	th.CheckEquals(t, expected, actual)
 
 	p.UserAgent = UserAgent{}
-	expected = "gophercloud/1.0.0"
+	expected = "gophercloud/2.0.0"
 	actual = p.UserAgent.Join()
 	th.CheckEquals(t, expected, actual)
 }