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Exam CRT-450 Topic 2 Question 121 Discussion

Actual exam question for Salesforce's CRT-450 exam
Question #: 121
Topic #: 2
A developer creates a new Apex trigger with a helper class, and writes a test class that only exercises 95% coverage of new Apex helper class. Change Set deployment to production fails with the test coverage warning:
"Test coverage of selected Apex Trigger is 0%, at least 1% test coverage is required" What should the developer do to successfully deploy the new Apex trigger and helper class?

Suggested Answer: A Vote an answer

To deploy Apex or package it for the Salesforce AppExchange, unit tests must cover at least 75% of your Apex code, and those tests must pass1. Code coverage indicates how many executable lines of code in your classes and triggers have been exercised by test methods1. Test classes (classes that are annotated with
@isTest) are excluded from the code coverage calculation1. Therefore, the developer needs to create a test class and methods to cover the Apex trigger, as the helper class alone is not enough to meet the code coverage requirement. Running the tests using the 'Run All Tests' method, removing the failing test methods from the test class, or increasing the test class coverage on the helper class will not solve the problem, as the trigger itself is still not covered by any test. References: 1 Testing and Code Coverage | Apex Developer Guide - Salesforce Developers1

by Hobart at Aug 19, 2026, 12:59 AM

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