diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/block/tests/block_test.module
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/block/tests/block_test.module	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,67 @@
+<?php
+
+/**
+ * @file
+ *   Provide test blocks.
+ */
+
+/**
+ * Implements hook_system_theme_info().
+ */
+function block_test_system_theme_info() {
+  $themes['block_test_theme'] = drupal_get_path('module', 'block_test') . '/themes/block_test_theme/block_test_theme.info';
+  return $themes;
+}
+
+/**
+ * Implements hook_block_info().
+ */
+function block_test_block_info() {
+  $blocks['test_cache'] = array(
+    'info' => t('Test block caching'),
+    'cache' => variable_get('block_test_caching', DRUPAL_CACHE_PER_ROLE),
+  );
+
+  $blocks['test_underscore'] = array(
+    'info' => t('Test underscore'),
+  );
+
+  $blocks['test-hyphen'] = array(
+    'info' => t('Test hyphen'),
+  );
+
+  $blocks['test_html_id'] = array(
+    'info' => t('Test block html id'),
+  );
+  return $blocks;
+}
+
+/**
+ * Implements hook_block_view().
+ */
+function block_test_block_view($delta = 0) {
+  return array('content' => variable_get('block_test_content', ''));
+}
+
+/**
+ * Implements hook_block_view_MODULE_DELTA_alter().
+ */
+function block_test_block_view_block_test_test_underscore_alter(&$data, $block) {
+  $data['content'] = 'hook_block_view_MODULE_DELTA_alter';
+}
+
+/**
+ * Implements hook_block_view_MODULE_DELTA_alter().
+ */
+function block_test_block_view_block_test_test_hyphen_alter(&$data, $block) {
+  $data['content'] = 'hook_block_view_MODULE_DELTA_alter';
+}
+
+/**
+ * Implements hook_block_info_alter().
+ */
+function block_test_block_info_alter(&$blocks) {
+  if (variable_get('block_test_info_alter')) {
+    $blocks['block_test']['test_html_id']['weight'] = 10000;
+  }
+}