Add auto-scaling e2e test (#2123) #2142
Merged
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cherry-pick #2123 to release-1.1
What problem does this PR solve?
Add e2e test for Auto-scaling. In this e2e test, we test the following cases:
I also add a TODO for mocking the tidbmonitor metrics data in auto-scaling.
Related changes
Does this PR introduce a user-facing change?: