Merge pull request #172 from catalyst/update-phpunit

Fix PHPUnit method signatures (master)

Author: dmitriim

tests/phpunit/robot_cleanup_test.php

@@ -44,7 +44,7 @@ class tool_crawler_robot_cleanup_test extends advanced_testcase {
      *
      * @throws coding_exception
      */
-    protected function setUp() {
+    protected function setUp(): void {
         global $DB;
 
         $this->resetAfterTest(true);

tests/phpunit/robot_crawler_test.php

@@ -42,7 +42,7 @@ class tool_crawler_robot_crawler_test extends advanced_testcase {
     /**
      * Setup robot crawler testcase and parent setup
      */
-    protected function setUp() {
+    protected function setUp(): void {
         parent::setup();
         $this->resetAfterTest(true);