Fix test after merging #332 (2f47dfc)

In between raising #332 and merging it, there were changes to the master branch
that resulted in the tests in this PR breaking after the merge.

In hindsight, this branch should have been rebased against master before merging
the PR.

client_test.go

@@ -455,7 +455,7 @@ func TestClient_LastAPIRequest(t *testing.T) {
 	})
 
 	t.Run("integration", func(t *testing.T) {
-		const requestBody = `{"user":{"id":"1","type":"","name":"","summary":"","email":"[email protected]","contact_methods":null,"notification_rules":null,"Teams":null}}`
+		const requestBody = `{"user":{"id":"1","name":"","summary":"","email":"[email protected]","contact_methods":null,"notification_rules":null,"Teams":null}}`
 
 		setup()
 		defer teardown()