refactor: use sync.WaitGroup.Go in tests#26671
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Migrate `wg.Add(1); go func() { defer wg.Done(); ... }()` to
`wg.Go(func() { ... })` in tests.
Where the prior pattern passed the loop variable explicitly via a
closure parameter (`go func(id int) { ... }(i)`), drop the parameter
and reference the loop variable directly. Per-iteration loop variables
since Go 1.22 make this safe.
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Migrate
wg.Add(1); go func() { defer wg.Done(); ... }()towg.Go(func() { ... })in tests.Where the prior pattern passed the loop variable explicitly via a closure parameter (
go func(id int) { ... }(i)), drop the parameter and reference the loop variable directly. Per-iteration loop variables since Go 1.22 make this safe.