roleQueryHelperImpl.encryptedParameterValue = false;
        roleSet = buildByParameter(roleQueryHelperImpl, getMockRequest());
        assertEquals(0, roleSet.size());

        roleQueryHelperImpl.parameterKey = "fess4";

        roleQueryHelperImpl.cipher = cipher;
        roleQueryHelperImpl.encryptedParameterValue = true;

    }

    /**
     * Sets whether the parameter value is encrypted.
     * @param encryptedParameterValue Whether the parameter value is encrypted.
     */
    public void setEncryptedParameterValue(final boolean encryptedParameterValue) {
        this.encryptedParameterValue = encryptedParameterValue;
    }

    /**
     * Sets the header key.
     * @param headerKey The header key.
     */