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A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of Apex tests allowing them to test isolated requirements for various types of Salesforce cases. Which approach can efficiently generate the required data for each unit test?
Correct Answer: B
* Why@TestSetup? * The@TestSetupannotation creates a baseline set of test data once per test class. * Test methods reuse this data, avoiding the need to recreate it repeatedly, which improves efficiency. * Why Not Other Options? * A: HttpCalloutMock is used for mocking callouts, not for creating test data. * C: UsingseeAllData=trueis discouraged because it relies on org data, violating test isolation principles. * D: While creating data inTest.startTest()works, it is less efficient than@TestSetupfor shared data. References:Test Setup Methods:https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_testing_testsetup.htm