Added function get an event's list

Signed-off-by: Valentin Popov <info@valentineus.link>

tests/api_test.php

@@ -110,9 +110,34 @@ final class local_webhooks_api_testcase extends advanced_testcase {
         self::assertCount(0, $DB->get_records(LW_TABLE_SERVICES));
     }
 
+    /**
+     * Testing get an event's list.
+     *
+     * @group local_webhooks
+     *
+     * @throws \ReflectionException
+     */
+    public function test_get_events() {
+        $this->resetAfterTest();
+
+        $events = api::get_events();
+
+        self::assertNotCount(0, $events);
+
+        foreach ($events as $name => $event) {
+            self::assertInternalType('array', $event);
+
+            self::assertEquals([
+                'eventname', 'component', 'target', 'action', 'crud', 'edulevel', 'objecttable',
+            ], array_keys($event));
+        }
+    }
+
     /**
      * Testing get to a service.
      *
+     * @group local_webhooks
+     *
      * @throws \dml_exception
      * @throws \moodle_exception
      */
@@ -152,6 +177,8 @@ final class local_webhooks_api_testcase extends advanced_testcase {
     /**
      * Testing get to the list services.
      *
+     * @group local_webhooks
+     *
      * @throws \dml_exception
      * @throws \moodle_exception
      */
@@ -199,6 +226,8 @@ final class local_webhooks_api_testcase extends advanced_testcase {
     /**
      * Testing get to the list services by event name.
      *
+     * @group local_webhooks
+     *
      * @throws \dml_exception
      * @throws \moodle_exception
      */
@@ -236,6 +265,8 @@ final class local_webhooks_api_testcase extends advanced_testcase {
     /**
      * Testing get to the list services with conditions.
      *
+     * @group local_webhooks
+     *
      * @throws \dml_exception
      * @throws \moodle_exception
      */