Replace time.Sleep with channel using time.After

Author: purnesh42H

internal/resolver/dns/dns_resolver_test.go

@@ -1326,9 +1326,19 @@ func (s) TestMinResolutionInterval_NoExtraDelay(t *testing.T) {
 // test duration. This number is sufficiently large to validate the
 // behavior across multiple resolution attempts, while also reducing
 // the likelihood of flakiness due to timing issues.
-for i := 0; i < 4; i++ {
+for i := 1; i <= 4; i++ {
 verifyUpdateFromResolver(ctx, t, stateCh, wantAddrs, nil, wantSC)
-time.Sleep(1 * time.Second) // respect resolution rate of 1 second for re-resolve
+
+// Wait for 1 second to respect [MinResolutionInterval]
+// before sending another resolution request
+select {
+case <-dnsinternal.TimeAfterFunc(1 * time.Second):
+// Waited for 1 second
+case <-ctx.Done():
+// If the context is done, exit the loop
+t.Fatal("Timeout when waiting for a state update from the resolver")
+}
+
 r.ResolveNow(resolver.ResolveNowOptions{})
 }
 }