add a test for missing fields

Author: Diluka

test/typeorm/simple-route.spec.ts

@@ -399,12 +399,21 @@ describe('Simple base routes', () => {
       .expect(200);
   });
 
-  it('deep relations', () => {
-    return request(server)
-      .get('/companies/1?join=users||email&join=users.projects&join=users.projects.tasks')
-      .expect(200)
-      .expect(res => {
-        expect(res.body).to.have.nested.property('users[0].projects[0].tasks[0].name');
-      });
+  describe('nested relations', () => {
+    it('nested relations', () => {
+      return request(server)
+        .get('/companies/1?join=users||email&join=users.projects&join=users.projects.tasks')
+        .expect(200)
+        .expect(res => {
+          expect(res.body).to.have.nested.property('users[0].projects[0].tasks[0].name');
+        });
+    });
+
+    it('when missing fields', () => {
+      return request(server)
+        .get('/companies/1?join=users||email&join=users.projects1&join=users.projects1.tasks')
+        .expect(200);
+    });
   });
+
 });