diff --git a/tests/framework/factories/class-sensei-factory.php b/tests/framework/factories/class-sensei-factory.php
index 74c798ba3c..b449bd198c 100644
--- a/tests/framework/factories/class-sensei-factory.php
+++ b/tests/framework/factories/class-sensei-factory.php
@@ -472,7 +472,7 @@ public function generate_user_quiz_answers( $quiz_id ) {
 			if ( 'multiple-choice' == $type ) {
 				// these answer can be found the question generate and attach answers function
 				$question_meta                      = get_post_meta( $question->ID );
-				$user_quiz_answers[ $question->ID ] = array( 0 => 'wrong1' . rand() );
+				$user_quiz_answers[ $question->ID ] = array( 0 => 'wrong1' . wp_rand() );
 
 			} elseif ( 'boolean' == $type ) {
 
@@ -487,15 +487,15 @@ public function generate_user_quiz_answers( $quiz_id ) {
 
 			} elseif ( 'single-line' == $type ) {
 
-				$user_quiz_answers[ $question->ID ] = 'Single line answer for basic testing ' . rand();
+				$user_quiz_answers[ $question->ID ] = 'Single line answer for basic testing ' . wp_rand();
 
 			} elseif ( 'gap-fill' == $type ) {
 
-				$user_quiz_answers[ $question->ID ] = 'OneWordScentencesForSampleAnswer ' . rand();
+				$user_quiz_answers[ $question->ID ] = 'OneWordScentencesForSampleAnswer ' . wp_rand();
 
 			} elseif ( 'multi-line' == $type ) {
 
-				$user_quiz_answers[ $question->ID ] = 'Sample paragraph to test the answer ' . rand();
+				$user_quiz_answers[ $question->ID ] = 'Sample paragraph to test the answer ' . wp_rand();
 
 			} elseif ( 'file-upload' == $type ) {
 
@@ -798,7 +798,7 @@ public function generate_user_answers_feedback( $quiz_id ) {
 
 		foreach ( $answers as $question_id => $answer ) {
 
-			$answers_feedback[ $question_id ] = 'Sample Feedback ' . rand();
+			$answers_feedback[ $question_id ] = 'Sample Feedback ' . wp_rand();
 
 		}
 
diff --git a/tests/framework/factories/class-wp-unittest-factory-for-question.php b/tests/framework/factories/class-wp-unittest-factory-for-question.php
index d575e7fe57..a1785fe86e 100644
--- a/tests/framework/factories/class-wp-unittest-factory-for-question.php
+++ b/tests/framework/factories/class-wp-unittest-factory-for-question.php
@@ -42,9 +42,9 @@ public function get_sample_question_data( $type ) {
 			'question_type'        => $type,
 			'question_category'    => 'undefined',
 			'action'               => 'add',
-			'question'             => 'Is this a sample' . $type . ' question ? _ ' . rand(),
+			'question'             => 'Is this a sample' . $type . ' question ? _ ' . wp_rand(),
 			'question_grade'       => '1',
-			'answer_feedback'      => 'Answer Feedback sample ' . rand(),
+			'answer_feedback'      => 'Answer Feedback sample ' . wp_rand(),
 			'question_description' => ' Basic description for the question',
 			'question_media'       => '',
 			'answer_order'         => '',
diff --git a/tests/unit-tests/test-class-quiz.php b/tests/unit-tests/test-class-quiz.php
index 7f4b8d923a..8a32d85331 100644
--- a/tests/unit-tests/test-class-quiz.php
+++ b/tests/unit-tests/test-class-quiz.php
@@ -312,9 +312,9 @@ public function testSaveUserAnswersUniquelyPerQuiz() {
 			'question_type'                        => 'single-line',
 			'question_category'                    => 'undefined',
 			'action'                               => 'add',
-			'question'                             => 'Is this a sample' . 'single-line' . ' question ? _ ' . rand(),
+			'question'                             => 'Is this a sample' . 'single-line' . ' question ? _ ' . wp_rand(),
 			'question_grade'                       => '1',
-			'answer_feedback'                      => 'Answer Feedback sample ' . rand(),
+			'answer_feedback'                      => 'Answer Feedback sample ' . wp_rand(),
 			'question_description'                 => ' Basic description for the question',
 			'question_media'                       => '',
 			'answer_order'                         => '',