Missing detail logs in integration tests

[kerthcet]

What would you like to be added:

Before #252, we have logs like this in integration tests:

2022-06-27T21:54:16.938124+08:00        INFO    controller.queue        Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Queue", "source": "kind source: *v1alpha1.Queue"}
2022-06-27T21:54:16.938143+08:00        INFO    controller.clusterqueue Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue", "source": "kind source: *v1alpha1.ClusterQueue"}
2022-06-27T21:54:16.93819+08:00 INFO    controller.resourceflavor       Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ResourceFlavor", "source": "kind source: *v1alpha1.ResourceFlavor"}
2022-06-27T21:54:16.938201+08:00        INFO    controller.queue        Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Queue", "source": "channel source: 0xc000215d60"}
2022-06-27T21:54:16.938223+08:00        INFO    controller.resourceflavor       Starting Controller     {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ResourceFlavor"}
2022-06-27T21:54:16.938222+08:00        INFO    controller.clusterqueue Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue", "source": "channel source: 0xc000215e00"}
2022-06-27T21:54:16.938248+08:00        INFO    controller.queue        Starting Controller     {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Queue"}
2022-06-27T21:54:16.938303+08:00        INFO    controller.clusterqueue Starting Controller     {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue"}
2022-06-27T21:54:16.938235+08:00        INFO    controller.workload     Starting EventSource    {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Workload", "source": "kind source: *v1alpha1.Workload"}
2022-06-27T21:54:16.93832+08:00 INFO    controller.queue        Starting workers        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Queue", "worker count": 1}
2022-06-27T21:54:16.938331+08:00        INFO    controller.workload     Starting Controller     {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Workload"}
2022-06-27T21:54:17.039057+08:00        INFO    controller.workload     Starting workers        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "Workload", "worker count": 1}
2022-06-27T21:54:17.03912+08:00 INFO    controller.clusterqueue Starting workers        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue", "worker count": 1}
2022-06-27T21:54:17.03916+08:00 INFO    controller.resourceflavor       Starting workers        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ResourceFlavor", "worker count": 1}
2022-06-27T21:54:18.952396+08:00        LEVEL(-2)       cluster-queue-reconciler        ClusterQueue create event       {"clusterQueue": {"name":"cluster-queue"}}
2022-06-27T21:54:18.952611+08:00        LEVEL(-2)       controller.clusterqueue Reconciling ClusterQueue        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue", "name": "cluster-queue", "namespace": "", "clusterQu
eue": {"name":"cluster-queue"}}
2022-06-27T21:54:18.957678+08:00        LEVEL(-2)       cluster-queue-reconciler        ClusterQueue update event       {"clusterQueue": {"name":"cluster-queue"}}
2022-06-27T21:54:18.957943+08:00        LEVEL(-2)       controller.clusterqueue Reconciling ClusterQueue        {"reconciler group": "kueue.x-k8s.io", "reconciler kind": "ClusterQueue", "name": "cluster-queue", "namespace": "", "clusterQu
eue": {"name":"cluster-queue"}}

but now we can't see the details. This will help in troubleshooting.

[kerthcet]

cc @cmssczy as the PR author.

[kerthcet]

/remove-kind feature
/kind bug