nabarun created GEODE-3316:
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Summary: Fix the order of rolling members in RollingUpgrade
related tests
Key: GEODE-3316
URL: https://issues.apache.org/jira/browse/GEODE-3316
Project: Geode
Issue Type: Bug
Components: tests
Reporter: nabarun
In test classes like RollingUpgrade2DUnit and WANRollingUpgrade, there are
tests with clusters which have new version servers connected to an older
version locator.
These tests should be refactored so that everything starts at an older version,
then follows the following order of upgrade.
1. Locators are rolled first to the current version
2. Then the servers are upgraded to current version
3. And at last the clients are upgraded.
Queries/ data verification must done in between these steps to confirm that the
data integrity is maintained while upgrades are happening
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