diff --git a/tests/adler_score_test.php b/tests/adler_score_test.php
index 260fe1d..096d296 100644
--- a/tests/adler_score_test.php
+++ b/tests/adler_score_test.php
@@ -3,6 +3,7 @@
 namespace local_adler;
 
 
+use cm_info;
 use completion_info;
 use grade_item;
 use local_adler\lib\adler_testcase;
@@ -44,6 +45,7 @@ class adler_score_test extends adler_testcase {
     private stdClass $course;
     private stdClass $module;
     private stdClass $user;
+    private cm_info $url_module_cm_info;
 
     public function setUp(): void {
         parent::setUp();
@@ -167,7 +169,7 @@ public function test_construct($test) {
         try {
             $result = new adler_score_mock($test['course_module_param'], $test['user_param']);
         } catch (Throwable $e) {
-            $this->assertEquals($test['expect_exception'], get_class($e));
+            $this->assertStringContainsString($test['expect_exception'], get_class($e));
             if ($test['expect_exception_message'] !== null) {
                 $this->assertStringContainsString($test['expect_exception_message'], $e->getMessage());
             }
@@ -262,7 +264,7 @@ public function test_get_primitive_score(bool $completion_enabled_cm, bool $comp
         try {
             $result = $adler_score->get_score_by_completion_state();
         } catch (Throwable $e) {
-            $this->assertEquals($expect_exception, get_class($e));
+            $this->assertStringContainsString($expect_exception, get_class($e));
             if ($expect_exception_message !== null) {
                 $this->assertStringContainsString($expect_exception_message, $e->getMessage());
             }
diff --git a/tests/external/score_get_element_scores_test.php b/tests/external/score_get_element_scores_test.php
index d0ed956..84ef613 100644
--- a/tests/external/score_get_element_scores_test.php
+++ b/tests/external/score_get_element_scores_test.php
@@ -173,7 +173,7 @@ public function test_execute_exceptions() {
             try {
                 score_get_element_scores_mock::execute($params[$i]);
             } catch (Throwable $e) {
-                $this->assertEquals($expectExceptions[$i][0], get_class($e), '$i = ' . $i);
+                $this->assertStringContainsString($expectExceptions[$i][0], get_class($e), '$i = ' . $i);
                 $this->assertStringContainsString($expectExceptions[$i][1], $e->errorcode, '$i = ' . $i);
                 continue;
             }
diff --git a/tests/helpers_test.php b/tests/helpers_test.php
index 4dcbb32..58bc681 100644
--- a/tests/helpers_test.php
+++ b/tests/helpers_test.php
@@ -78,7 +78,7 @@ public function test_is_primitive_learning_element($data) {
 
         // check result
         if ($data['type'] == 'wrong_format') {
-            $this->assertEquals(moodle_exception::class, get_class($exception));
+            $this->assertStringContainsString(moodle_exception::class, get_class($exception));
         } else if ($exception != null) {
             $this->fail('Unexpected exception: ' . $exception->getMessage());
         }