[Twig] Adding failing test case for HTML component with another HTML component in content block

Author: weaverryan

src/TwigComponent/tests/Unit/TwigPreLexerTest.php

@@ -104,5 +104,17 @@ public function getLexTests(): iterable
             '<twig:foo text="Hello {{ name }}, I\'m Theo!"/>',
             "{{ component('foo', { text: 'Hello '~(name)~', I\'m Theo!' }) }}",
         ];
+        yield 'component_where_entire_default_block_is_embedded_component' => [
+            <<<EOF
+            <twig:foo>
+                <twig:bar>bar content</twig:bar>
+            </twig:foo>
+            EOF,
+            <<<EOF
+            {% component 'foo' %}
+                {% block content %}{% component 'bar' %}{% block content %}bar content{% endblock %}{% endcomponent %}
+            {% endblock %}{% endcomponent %}
+            EOF
+        ];
     }
 }