What might be causing the failed assertion?

A developer wrote a trigger on Opportunity that will update a custom Last Sold Date field on the Opportunity’s Account whenever an Opportunity is dosed. In the test class for the trigger, the assertion to validate the Last Sold Date field fails.

What might be causing the failed assertion?
A . The test class has not defined an Account owner when inserting the test data.
B . The test class has not re-queried the Account record after updating the Opportunity.
C . The test class has not implemented seeAIIData-truwh the test method.
D . The test class is not using System.runAs() to run tests as a Salesforce administrator.

View Answer

Answer: B