// Create temp folder for the test case
		tmpdir := testutil.SetupTempDir(t)
		defer os.RemoveAll(tmpdir)

		// executes setup func (if necessary)
		if test.setupFunc != nil {
			if err := test.setupFunc(tmpdir); err != nil {
				t.Errorf("error executing setupFunc: %v", err)
				continue
			}
		}

		// executes create func
		err := writeCertificateAuthorityFilesIfNotExist(tmpdir, "dummy", caCert, caKey)