if len(mode) > 0 {
			if !compareAuthzModes(defaultMode, mode) {
				klog.Warningf("the default kube-apiserver authorization-mode is %q; using %q",
					strings.Join(defaultMode, ","),
					strings.Join(mode, ","),
				)
			}
			return strings.Join(mode, ",")
		}
	}
	return strings.Join(defaultMode, ",")
}

			modesB: []string{"a", "b"},
		},
	}

	for _, rt := range tests {
		t.Run(rt.name, func(t *testing.T) {
			equal := compareAuthzModes(rt.modesA, rt.modesB)
			if equal != rt.equal {
				t.Errorf("failed compareAuthzModes:\nexpected:\n%v\nsaw:\n%v", rt.equal, equal)
			}
		})
	}