//combobox.setSelectedItem(combobox.getItemAt(2));
JTextComponentFixture text = dialog.textBox();
text.setText(file.toString());
JButtonFixture okbutton = new JButtonFixture(dialog.robot, dialog.robot.finder().find(new ButtonTextComponentMatcher("Open")));
okbutton.click();
DialogFixture coordsdialog = new DialogFixture(applet.robot, applet.robot.finder().find(new DialogTitleComponentMatcher("No 2D coordinates")));
JButtonFixture okbuttoncoordsdialog = new JButtonFixture(coordsdialog.robot, coordsdialog.robot.finder().find(new ButtonTextComponentMatcher("Yes")));
okbuttoncoordsdialog.click();
ins = this.getClass().getClassLoader().getResourceAsStream(filename);
SMILESReader reader = new SMILESReader(ins);
ChemFile chemFile = (ChemFile)reader.read((ChemObject)new ChemFile());