How do I generate sample e-invoices in BUSY to test before going live? What options should I enable?

To generate sample E-invoice and enable the required configuration as followed given below:
 Step 1: Go to Administration Menu
 Step 2: Click on configuration 
 Step 3: Then click on Feature and option 
 Step 4: Then click on GST/VAT feature 
 Step 5: Then make sure to enable e-invoice option as Y and configure it 
 Step 6: Then click on GSP configuration box
 Step 6: Then mentioned GSP ID in the respective field of Webtel and Pinnacle generated from e-invoice portal then click on validate button, after successful validation click on OK button
 Step 7: Then save the configuration by click on save button
 Step 8: Afterward, go to vocuher series configuration option from configuration 
 Step 9: select voucher and series then click on voucher numbering option
 Step 10: Then enbale input transport detail option as Y 
 Step 11: Enable generate e-invoice after saving as Y 
 Step 12: Then save the configurations by click on save button 
 Step 13: Then while creating or modify invoice for testing of generation of e-invoice 
 Step 14: specify neccessary details like party, item, tax if applicable then click on save button
 Step 15: Transport detail window will appear and specify the relevent details as To Place and pincode 
 step 16: Then check errors if any and resolved it then proceed to generate e-invoice