[Server Integration tests] Enrich integration GraphQL API tests (#7699)

### Description

- We are using gql instead of strings to be able to see the graphql code
highlighted

### Demo


![](https://assets-service.gitstart.com/28455/d06016b9-c62c-4e0d-bb16-3d7dd42c5b6b.png)

Fixes #7526

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: Charles Bochet <charles@twenty.com>
Co-authored-by: Charles Bochet <charlesBochet@users.noreply.github.com>

packages/twenty-server/test/integration/graphql/suites/object-generated/people.integration-spec.ts

@@ -0,0 +1,69 @@
+import request from 'supertest';
+
+const client = request(`http://localhost:${APP_PORT}`);
+
+describe('peopleResolver (e2e)', () => {
+  it('should find many people', () => {
+    const queryData = {
+      query: `
+        query people {
+          people {
+            edges {
+              node {
+                jobTitle
+                city
+                avatarUrl
+                position
+                searchVector
+                id
+                createdAt
+                updatedAt
+                deletedAt
+                companyId
+                intro
+                workPreference
+                performanceRating
+              }
+            }
+          }
+        }
+      `,
+    };
+
+    return client
+      .post('/graphql')
+      .set('Authorization', `Bearer ${ACCESS_TOKEN}`)
+      .send(queryData)
+      .expect(200)
+      .expect((res) => {
+        expect(res.body.data).toBeDefined();
+        expect(res.body.errors).toBeUndefined();
+      })
+      .expect((res) => {
+        const data = res.body.data.people;
+
+        expect(data).toBeDefined();
+        expect(Array.isArray(data.edges)).toBe(true);
+
+        const edges = data.edges;
+
+        if (edges.length > 0) {
+          const people = edges[0].node;
+
+          expect(people).toHaveProperty('jobTitle');
+          expect(people).toHaveProperty('city');
+          expect(people).toHaveProperty('avatarUrl');
+          expect(people).toHaveProperty('position');
+          expect(people).toHaveProperty('searchVector');
+          expect(people).toHaveProperty('id');
+          expect(people).toHaveProperty('createdAt');
+          expect(people).toHaveProperty('updatedAt');
+          expect(people).toHaveProperty('deletedAt');
+          expect(people).toHaveProperty('companyId');
+          expect(people).toHaveProperty('intro');
+          expect(people).toHaveProperty('workPreference');
+          expect(people).toHaveProperty('performanceRating');
+        }
+      });
+  });
+});