diff --git a/admin/tests/reportbuilder/datasource/task_logs_test.php b/admin/tests/reportbuilder/datasource/task_logs_test.php
index 0c5e20f8336..ca0f81e2470 100644
--- a/admin/tests/reportbuilder/datasource/task_logs_test.php
+++ b/admin/tests/reportbuilder/datasource/task_logs_test.php
@@ -223,8 +223,14 @@ class task_logs_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $this->generate_task_log_data(true, 3, 2, 1654038000, 1654038060, 'hi', 'core_reportbuilder', 'test', 43);
diff --git a/badges/tests/reportbuilder/datasource/badges_test.php b/badges/tests/reportbuilder/datasource/badges_test.php
index 1353015c47d..e9edd051d8c 100644
--- a/badges/tests/reportbuilder/datasource/badges_test.php
+++ b/badges/tests/reportbuilder/datasource/badges_test.php
@@ -97,8 +97,14 @@ class badges_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $course = $this->getDataGenerator()->create_course();
diff --git a/cohort/tests/reportbuilder/datasource/cohorts_test.php b/cohort/tests/reportbuilder/datasource/cohorts_test.php
index 777d874f696..e0a92720a12 100644
--- a/cohort/tests/reportbuilder/datasource/cohorts_test.php
+++ b/cohort/tests/reportbuilder/datasource/cohorts_test.php
@@ -135,8 +135,14 @@ class cohorts_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $cohort = $this->getDataGenerator()->create_cohort();
diff --git a/course/tests/reportbuilder/datasource/courses_test.php b/course/tests/reportbuilder/datasource/courses_test.php
index 7cae62a4807..dced044e351 100644
--- a/course/tests/reportbuilder/datasource/courses_test.php
+++ b/course/tests/reportbuilder/datasource/courses_test.php
@@ -196,8 +196,14 @@ class courses_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         /** @var core_customfield_generator $generator */
diff --git a/course/tests/reportbuilder/datasource/participants_test.php b/course/tests/reportbuilder/datasource/participants_test.php
index e059d376493..427c2f62cd4 100644
--- a/course/tests/reportbuilder/datasource/participants_test.php
+++ b/course/tests/reportbuilder/datasource/participants_test.php
@@ -280,8 +280,14 @@ class participants_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $course = $this->getDataGenerator()->create_course();
diff --git a/tag/tests/reportbuilder/datasource/tags_test.php b/tag/tests/reportbuilder/datasource/tags_test.php
index 5257ea9e26f..0a19b3046b6 100644
--- a/tag/tests/reportbuilder/datasource/tags_test.php
+++ b/tag/tests/reportbuilder/datasource/tags_test.php
@@ -261,8 +261,14 @@ class tags_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $this->getDataGenerator()->create_course(['tags' => ['Horses']]);
diff --git a/user/tests/reportbuilder/datasource/users_test.php b/user/tests/reportbuilder/datasource/users_test.php
index 36ab13b33ae..b69b90f7010 100644
--- a/user/tests/reportbuilder/datasource/users_test.php
+++ b/user/tests/reportbuilder/datasource/users_test.php
@@ -158,8 +158,14 @@ class users_test extends core_reportbuilder_testcase {
 
     /**
      * Stress test datasource
+     *
+     * In order to execute this test PHPUNIT_LONGTEST should be defined as true in phpunit.xml or directly in config.php
      */
     public function test_stress_datasource(): void {
+        if (!PHPUNIT_LONGTEST) {
+            $this->markTestSkipped('PHPUNIT_LONGTEST is not defined');
+        }
+
         $this->resetAfterTest();
 
         $this->getDataGenerator()->create_custom_profile_field(['datatype' => 'text', 'name' => 'Hi', 'shortname' => 'hi']);