diff --git a/tests/phpunit/tests/includes/helpers.php b/tests/phpunit/tests/includes/helpers.php
index b717fdcb1a..64cb633a42 100644
--- a/tests/phpunit/tests/includes/helpers.php
+++ b/tests/phpunit/tests/includes/helpers.php
@@ -174,7 +174,7 @@ class Tests_TestHelpers extends WP_UnitTestCase {
 	 */
 	public function test_setExpectedDeprecated() {
 		$this->setExpectedDeprecated( 'Tests_TestHelpers::mock_deprecated' );
-		$this->mock_deprecated();
+		$this->assertTrue( $this->mock_deprecated() );
 	}
 
 	/**
@@ -182,7 +182,7 @@ class Tests_TestHelpers extends WP_UnitTestCase {
 	 */
 	public function test_setExpectedIncorrectUsage() {
 		$this->setExpectedIncorrectUsage( 'Tests_TestHelpers::mock_incorrect_usage' );
-		$this->mock_incorrect_usage();
+		$this->assertTrue( $this->mock_incorrect_usage() );
 	}
 
 	/**
@@ -197,9 +197,11 @@ class Tests_TestHelpers extends WP_UnitTestCase {
 
 	protected function mock_deprecated() {
 		_deprecated_function( __METHOD__, '2.5' );
+		return true;
 	}
 
 	protected function mock_incorrect_usage() {
 		_doing_it_wrong( __METHOD__, __( 'Incorrect usage test' ), '2.5' );
+		return true;
 	}
 }