What is the optimal way for a developer to fix the issue?

A company has many different unit test methods that create Account records as part of their data setup. A new required field was added to the Account and now all of the unit tests fail.

What is the optimal way for a developer to fix the issue?
A . Add a before insert trigger on Account to set the value of the required field.
B . Create a TestDataFactory class that serves as the single place to create Accounts for unit tests and set the required field there.
C . Change the required field to be a validation rule that excludes the System Administrator profile.
D . Add the required field to the data setup for all of the unit tests.

View Answer

Answer: B