Fixed tests

tests/TestCase.php

@@ -32,7 +32,7 @@ abstract class TestCase extends PhpUnitTestCase {
         $moodle_event = $this->moodle_controller->createEvent($input);
         $this->assertTrue($moodle_event != null, 'Check that the event exists in the expander controller.');
 
-        $translator_event = $this->translator_controller->createEvent($moodle_event);
+        $translator_event = $this->translator_controller->createEvents($moodle_event);
         $this->assertTrue($translator_event != null, 'Check that the event exists in the translator controller.');
 
         $xapi_event = $this->xapi_controller->createEvent($translator_event);
@@ -62,4 +62,4 @@ abstract class TestCase extends PhpUnitTestCase {
             'eventname' => '\core\event\course_viewed',
         ];
     }
-}
\ No newline at end of file
+}