diff --git a/composer.json b/composer.json
index 9ac0130..5a85e44 100644
--- a/composer.json
+++ b/composer.json
@@ -37,6 +37,7 @@
         "test-static": "vendor/bin/psalm",
         "test-dead-code": "vendor/bin/psalm --find-dead-code",
         "test-units": "vendor/bin/phpunit",
+        "test-commonmark": "vendor/bin/phpunit tests/CommonMarkTestStrict.php",
         "test-commonmark-weak": "vendor/bin/phpunit tests/CommonMarkTestWeak.php",
         "test-formatting": "@composer fix -- --dry-run",
 
diff --git a/tests/CommonMarkTest.php b/tests/CommonMarkTest.php
index bbeac18..1245954 100644
--- a/tests/CommonMarkTest.php
+++ b/tests/CommonMarkTest.php
@@ -22,7 +22,7 @@ namespace Erusev\Parsedown\Tests;
  *
  * @link http://commonmark.org/ CommonMark
  */
-class CommonMarkTest extends CommonMarkTestWeak
+class CommonMarkTest extends CommonMarkTestStrict
 {
     /**
      * @return array
diff --git a/tests/commonmark/142-HTML_blocks.html b/tests/commonmark/142-HTML_blocks.html
deleted file mode 100644
index d02e94c..0000000
--- a/tests/commonmark/142-HTML_blocks.html
+++ /dev/null
@@ -1,5 +0,0 @@
-<blockquote>
-<div>
-foo
-</blockquote>
-<p>bar</p>
\ No newline at end of file
diff --git a/tests/commonmark/142-HTML_blocks.md b/tests/commonmark/142-HTML_blocks.md
deleted file mode 100644
index 7d6cf05..0000000
--- a/tests/commonmark/142-HTML_blocks.md
+++ /dev/null
@@ -1,4 +0,0 @@
-> <div>
-> foo
-
-bar
\ No newline at end of file
diff --git a/tests/commonmark/143-HTML_blocks.html b/tests/commonmark/143-HTML_blocks.html
deleted file mode 100644
index 67f7422..0000000
--- a/tests/commonmark/143-HTML_blocks.html
+++ /dev/null
@@ -1,6 +0,0 @@
-<ul>
-<li>
-<div>
-</li>
-<li>foo</li>
-</ul>
\ No newline at end of file
diff --git a/tests/commonmark/143-HTML_blocks.md b/tests/commonmark/143-HTML_blocks.md
deleted file mode 100644
index 41e4dd7..0000000
--- a/tests/commonmark/143-HTML_blocks.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- <div>
-- foo
\ No newline at end of file
diff --git a/tests/commonmark/282-Lists.html b/tests/commonmark/282-Lists.html
deleted file mode 100644
index a6005b4..0000000
--- a/tests/commonmark/282-Lists.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<ul>
-<li>
-<p>a</p>
-</li>
-<li>
-<p>b</p>
-</li>
-<li>
-<p>d</p>
-</li>
-</ul>
\ No newline at end of file
diff --git a/tests/commonmark/282-Lists.md b/tests/commonmark/282-Lists.md
deleted file mode 100644
index 2d09316..0000000
--- a/tests/commonmark/282-Lists.md
+++ /dev/null
@@ -1,5 +0,0 @@
-- a
-- b
-
-  [ref]: /url
-- d
\ No newline at end of file