return this.negotiateContexts;
    }

    /**
     * Gets the server start time timestamp.
     *
     * @return the serverStartTime
     */
    public long getServerStartTime() {
        return this.serverStartTime;
    }

    /**
     * Gets the security mode flags from the server.
     *
     * @return the securityMode
     */
    public int getSecurityMode() {

        // Given
        long startTime = System.currentTimeMillis();
        setPrivateField(response, "serverStartTime", startTime);

        // When
        long result = response.getServerStartTime();

        // Then
        assertEquals(startTime, result);
    }

    @Test
    @DisplayName("Should return security mode")
    void testGetSecurityMode() throws Exception {
        // Given