rm := &Manager{
				cas: tt.cas,
			}
			if got := rm.CAs(); !reflect.DeepEqual(got, tt.want) {
				t.Errorf("Manager.CAs() = %v, want %v", got, tt.want)
			}
		})
	}
}

func TestManagerCAExists(t *testing.T) {
	certificateReadWriterExist := fakecertificateReadWriter{
		exist: true,
	}
	certificateReadWriterMissing := fakecertificateReadWriter{
		exist: false,
	}
	tests := []struct {