A. Insert the Account in the test class, instantiate the page reference in the test class, then use System.
currentFageReference() .getFarameters() .put{) to set the Account ID.

B. Insert the Account into Salesforce, instantiate the page reference in the test class, then use system.
setFarentRecordId() .get() to set the Account ID.
{of Instantiate the page reference in the test class, insert the Account in the test class, then use =seeAllData=trus to view the Account.

C. Instantiate the page reference in the test class, insert the Account in the test class, then use system.setFarentRecordrd() .get() to set the Account ID,