fix(flowcontrol): use live item times in test error messages

Read enqueue times from q.items instead of the stale times slice,
which reflects pre-removal values.

Signed-off-by: RishabhSaini <rishabhsaini01@gmail.com>

Author: RishabhSaini

pkg/epp/flowcontrol/framework/plugins/queue/maxminheap_test.go

@@ -109,11 +109,14 @@ func TestMaxMinHeap_Remove_CrossSubtreeSwap(t *testing.T) {
 			}
 			if isMin {
 				require.Falsef(t, q.policy.Less(q.items[i], q.items[d]),
-					"min-level node %d (t=%d) has higher priority than descendant %d (t=%d)",
-					i, times[i], d, q.items[d].EnqueueTime().Sub(base)/time.Second)
+					"min-level node %d (t=%v) has higher priority than descendant %d (t=%v)",
+					i, q.items[i].EnqueueTime().Sub(base)/time.Second,
+					d, q.items[d].EnqueueTime().Sub(base)/time.Second)
 			} else {
 				require.Falsef(t, q.policy.Less(q.items[d], q.items[i]),
-					"max-level node %d has lower priority than descendant %d", i, d)
+					"max-level node %d (t=%v) has lower priority than descendant %d (t=%v)",
+					i, q.items[i].EnqueueTime().Sub(base)/time.Second,
+					d, q.items[d].EnqueueTime().Sub(base)/time.Second)
 			}
 		}
 	}