@Test
public void testInsertDeveloper() {

    long count = 0;
    String name = "dev@name.com";
    // We can insert any developer.
    executeSuccess(queries.developerInsertStatement(name));
    assertEquals(++count, getDevelopersCount());
    // We can insert another developer
    executeSuccess(queries.developerInsertStatement("another@dev.net"));
    assertEquals(++count, getDevelopersCount());
    // We can't insert the same name two times
    executeNothinhDone(queries.developerInsertStatement(name));
    assertEquals(count, getDevelopersCount());
}