flaky test TestIndexChange #50079
Description
Bug Report
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index_change_test.go:75:
Error Trace: pkg/ddl/index_change_test.go:75
pkg/ddl/util/callback/callback.go:124
pkg/ddl/job_table.go:439
pkg/util/wait_group_wrapper.go:157
src/runtime/asm_amd64.s:1650
Error: Not equal:
expected: 3
actual : 0
Test: TestIndexChange
Messages: job's row count 0 != 3