test: increase time constraints in TestUpgradeCmd (#9028) (#9049)

(cherry picked from commit e48a88a)

Co-authored-by: Panos Koutsovasilis <[email protected]>

Author: mergify[bot]

internal/pkg/agent/cmd/upgrade_test.go

@@ -75,7 +75,7 @@ func TestUpgradeCmd(t *testing.T) {
 		require.Eventually(t, func() bool {
 			counter := atomic.LoadInt32(&mock.upgrades)
 			return counter > 0
-		}, 5*time.Second, 100*time.Millisecond)
+		}, 30*time.Second, 100*time.Millisecond)
 
 		// then we close the tcp server which is supposed to interrupt the connection
 		s.Stop()