Use cluster operations from upgrade test in other integration tests

[samayer12]

Describe what should be investigated or refactored

#2416 created some helpers in the integration upgrade test that ensure consistent cluster operations and pepr installation. We can probably use them in other integration tests. There may also be overlap with some of the integration/helpers/ code as well.

This chore is a chance to consolidate common implementation details across our integration tests.

Links to any relevant code

pepr/integration/cluster/upgrade.test.ts

Line 76 in 9d4cb5f

async function runWithErrorHandling(fn: () => Promise<void>, context: string): Promise<void> {

Additional context

#2416 (comment)