tests: create idempotency tests#1880
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Ensure that reconciliation doesn't change object resources when no changes to the spec applied
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Ensure that reconciliation doesn't change object resources when no changes to the spec applied
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Ensure that reconciliation doesn't change object resources when no changes to the spec applied
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Ensure that reconciliation doesn't change object resources when no changes to the spec applied
Fixes #1799
Summary by cubic
Added e2e idempotency tests to ensure reconciliation doesn’t change Kubernetes resources when the spec hasn’t changed. Covers VMAgent, VMAlert, VMCluster (VMStorage/VMSelect StatefulSets and VMInsert Deployment), and VMSingle; asserts ResourceVersion stays the same across repeated CreateOrUpdate calls. Fixes #1799.
Written for commit 5f38cda. Summary will update on new commits.