}
    }

    /**
     * Test getKey method when the requested key type exists.
     *
     * @throws LoginException if login fails.
     */
    @Test
    void testGetKey_KeyExists() throws LoginException {
        when(key1.getKeyType()).thenReturn(KEY_TYPE_1);
        when(key2.getKeyType()).thenReturn(KEY_TYPE_2);
        Set<Object> privateCredentials = new HashSet<>();