More rigorous email test with repeat folder names (#2792)

Expand coverage for email tests by creating a layout that has duplicate folder names at different levels of the hierarchy.

---

#### Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No

#### Type of change

- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [x] 🤖 Test
- [ ] 💻 CI/Deployment
- [x] 🧹 Tech Debt/Cleanup

#### Issue(s)

* closes #1228

#### Test Plan

- [ ] 💪 Manual
- [x] ⚡ Unit test
- [ ] 💚 E2E

src/internal/connector/graph_connector_test.go

@@ -652,6 +652,36 @@ func (suite *GraphConnectorIntegrationSuite) TestRestoreAndBackup() {
 						},
 					},
 				},
+				{
+					pathElements: []string{"Work", "Inbox"},
+					category:     path.EmailCategory,
+					items: []itemInfo{
+						{
+							name: "someencodeditemID4",
+							data: mockconnector.GetMockMessageWithBodyBytes(
+								subjectText+"-4",
+								bodyText+" 4.",
+								bodyText+" 4.",
+							),
+							lookupKey: subjectText + "-4",
+						},
+					},
+				},
+				{
+					pathElements: []string{"Work", "Inbox", "Work"},
+					category:     path.EmailCategory,
+					items: []itemInfo{
+						{
+							name: "someencodeditemID5",
+							data: mockconnector.GetMockMessageWithBodyBytes(
+								subjectText+"-5",
+								bodyText+" 5.",
+								bodyText+" 5.",
+							),
+							lookupKey: subjectText + "-5",
+						},
+					},
+				},
 			},
 		},
 		{