test: refine update contact test to include email field in payload

Author: narekhovhannisyan

src/__tests__/lib/mailtrap-client.test.ts

@@ -774,15 +774,14 @@ describe("lib/mailtrap-client: ", () => {
       mock.onPatch(endpoint).reply(200, expectedResponseData);
 
       const updateData = {
+        email: "john.smith@example.com",
         fields: { first_name: "Johnny", last_name: "Smith" },
       };
 
       const result = await client.contacts.update(contactId, updateData);
 
       expect(mock.history.patch[0].url).toEqual(endpoint);
-      expect(mock.history.patch[0].data).toEqual(
-        JSON.stringify({ contact: updateData })
-      );
+      expect(mock.history.patch[0].data).toEqual(JSON.stringify({ contact: updateData }));
       expect(result).toEqual(expectedResponseData);
     });