MDL-66794 core_customfield: Reset Course handler after unit tests run.

customfield/tests/api_test.php

@@ -37,6 +37,14 @@ use \core_customfield\category_controller;
  */
 class core_customfield_api_testcase extends advanced_testcase {
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Tests set up.
      */

customfield/tests/category_controller_test.php

@@ -36,6 +36,14 @@ use \core_customfield\field_controller;
  */
 class core_customfield_category_controller_testcase extends advanced_testcase {
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Tests set up.
      */

customfield/tests/data_controller_test.php

@@ -34,6 +34,14 @@ use core_customfield\data_controller;
  */
 class core_customfield_data_controller_testcase extends advanced_testcase {
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Tests set up.
      */

customfield/tests/field_controller_test.php

@@ -38,6 +38,14 @@ use \core_customfield\field_controller;
  */
 class core_customfield_field_controller_testcase extends advanced_testcase {
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Tests set up.
      */

customfield/tests/generator_test.php

@@ -35,6 +35,14 @@ defined('MOODLE_INTERNAL') || die();
  */
 class core_customfield_generator_testcase extends advanced_testcase {
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Get generator
      * @return core_customfield_generator

customfield/tests/privacy_test.php

@@ -45,6 +45,14 @@ class core_customfield_privacy_testcase extends provider_testcase {
     /** @var \core_customfield\field_controller[] */
     private $cffields = [];
 
+    /**
+     * This method is called after the last test of this test class is run.
+     */
+    public static function tearDownAfterClass() {
+        $handler = core_course\customfield\course_handler::create();
+        $handler->delete_all();
+    }
+
     /**
      * Set up
      */