### Question:
App { public boolean createFile() throws Exception { if ( Boolean.getBoolean( "create_touch_file" ) ) { File touch = new File( System.getProperty( "touch_file_path" ), "touch.txt" ); return touch.createNewFile(); } return false; }  boolean createFile();  }### Answer:
@Test public void testApp() throws Exception { new App().createFile(); assertTrue( true ); }