src/test/java/seedu/address/logic/commands/ImportCommandIntegrationTest.java
private ImportCommand prepareCommand(List<ReadOnlyParcel> parcels, Model model) {
        ImportCommand command = new ImportCommand(parcels);
        command.setData(model, new CommandHistory(), new UndoRedoStack());
        return command;
    }
/**
     * Generates a new {@code ImportCommand} which upon execution, adds all {@link ReadOnlyParcel}(s) in {@code parcels}
     *  into the {@link Model}.
     */
Generates a new  ImportCommand which upon execution, adds all  ReadOnlyParcel(s) in  parcels
into the  Model.
Generates a new ImportCommand which upon execution adds all ReadOnlyParcel ( s ) in parcels into the Model .
private ImportCommand prepareCommand(List<ReadOnlyParcel> parcels, Model model) {
        ImportCommand command = new ImportCommand(parcels);
        command.setData(model, new CommandHistory(), new UndoRedoStack());
        return command;
    }
private ImportCommand prepareCommand ( List < ReadOnlyParcel > parcels , Model model ) { ImportCommand command = new ImportCommand ( parcels ) ; command . setData ( model , new CommandHistory ( ) , new UndoRedoStack ( ) ) ; return command ; }
Generates a new {@code ImportCommand} which upon execution, adds all {@link ReadOnlyParcel}(s) in {@code parcels}
  into the {@link Model}.
Generates a new { @code ImportCommand } which upon execution adds all { @link ReadOnlyParcel } ( s ) in { @code parcels } into the { @link Model } .