### Question:
PostgresEmbeddedDatabaseController implements EmbeddedDatabaseController { public boolean shouldUse() { log.debug("checking hqdb dir exists: " + serverHome + "/hqdb"); return new File(serverHome + "/hqdb").exists(); } @Autowired  PostgresEmbeddedDatabaseController(
                                              @Value("#{ systemProperties['server.home'] }") String serverHome,
                                              ProcessManager processManager, OperatingSystem osInfo); boolean startBuiltInDB(); boolean stopBuiltInDB(); long getDBPort(); boolean shouldUse();  }### Answer:
@Test public void testShouldUseNoDBFile() { assertFalse(embeddedDBController.shouldUse()); }