diff --git a/mod/quiz/report/statistics/tests/statistics_table_test.php b/mod/quiz/report/statistics/tests/statistics_table_test.php
index 45d0bcb9441..6d86c2036da 100644
--- a/mod/quiz/report/statistics/tests/statistics_table_test.php
+++ b/mod/quiz/report/statistics/tests/statistics_table_test.php
@@ -45,12 +45,12 @@ class quiz_statistics_statistics_table_testcase extends advanced_testcase {
         $method->setAccessible(true);
 
         $this->assertEquals(
-                '84.758 %',
+                '84.758%',
                 $method->invokeArgs($table, [0.847576, true, 3])
         );
 
         $this->assertEquals(
-                '84.758 %',
+                '84.758%',
                 $method->invokeArgs($table, [84.7576, false, 3])
         );
     }
@@ -64,12 +64,12 @@ class quiz_statistics_statistics_table_testcase extends advanced_testcase {
         $method->setAccessible(true);
 
         $this->assertEquals(
-                '54.400 % − 84.758 %',
+                '54.400% − 84.758%',
                 $method->invokeArgs($table, [0.544, 0.847576, true, 3])
         );
 
         $this->assertEquals(
-                '54.400 % − 84.758 %',
+                '54.400% − 84.758%',
                 $method->invokeArgs($table, [54.4, 84.7576, false, 3])
         );
     }
diff --git a/mod/quiz/tests/reportlib_test.php b/mod/quiz/tests/reportlib_test.php
index 23d9ec314ce..2cbe51d80bb 100644
--- a/mod/quiz/tests/reportlib_test.php
+++ b/mod/quiz/tests/reportlib_test.php
@@ -27,9 +27,9 @@
 defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
+require_once($CFG->dirroot . '/mod/quiz/attemptlib.php');
 require_once($CFG->dirroot . '/mod/quiz/report/reportlib.php');
 
-
 /**
  * This class contains the test cases for the functions in reportlib.php.
  *
@@ -66,9 +66,9 @@ class mod_quiz_reportlib_testcase extends advanced_testcase {
         $quiz->sumgrades = 10;
         $quiz->decimalpoints = 2;
 
-        $this->assertEquals('12.34567 %',
+        $this->assertEquals('12.34567%',
             quiz_report_scale_summarks_as_percentage(1.234567, $quiz, false));
-        $this->assertEquals('12.35 %',
+        $this->assertEquals('12.35%',
             quiz_report_scale_summarks_as_percentage(1.234567, $quiz, true));
         $this->assertEquals('-',
             quiz_report_scale_summarks_as_percentage('-', $quiz, true));