usages: kubeletServerUsages,
			exp:    false,
		},
	}
	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			got := IsKubeletServingCSR(test.req, test.usages)
			if test.exp != got {
				t.Errorf("unexpected IsKubeletClientCSR output: exp=%v, got=%v", test.exp, got)
			}
		})
	}
}

func TestIsKubeletClientCSR(t *testing.T) {