centralize basic backup test, add teamschats

[ryanfkeepers]

adds teamchats to the integration backup tests. Moves the common basic test func into a shared package and calls that test with exchange, groups, and teamchats.

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Does this PR need a docs update or release note?

• ⛔ No

Type of change

• 🤖 Supportability/Tests

Issue(s)

• 1:1 chats v0 and v1 backup support #5063

Test Plan

• 💪 Manual
• 💚 E2E

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[sonarqubecloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud