diff --git a/test/runtime/samples/at-symbol-in-attribute/_config.js b/test/runtime/samples/at-symbol-in-attribute/_config.js
new file mode 100644
index 0000000000..40a45579a3
--- /dev/null
+++ b/test/runtime/samples/at-symbol-in-attribute/_config.js
@@ -0,0 +1,3 @@
+export default {
+	html: `<a href='mailto:hello@example.com'>email</a>`
+};
\ No newline at end of file
diff --git a/test/runtime/samples/at-symbol-in-attribute/main.html b/test/runtime/samples/at-symbol-in-attribute/main.html
new file mode 100644
index 0000000000..2b5e73ebcf
--- /dev/null
+++ b/test/runtime/samples/at-symbol-in-attribute/main.html
@@ -0,0 +1 @@
+<a href='mailto:hello@example.com'>email</a>
\ No newline at end of file
diff --git a/test/runtime/samples/attribute-static-quotemarks/_config.js b/test/runtime/samples/attribute-static-quotemarks/_config.js
new file mode 100644
index 0000000000..794d01c29f
--- /dev/null
+++ b/test/runtime/samples/attribute-static-quotemarks/_config.js
@@ -0,0 +1,3 @@
+export default {
+	html: `<span title='"foo"'>foo</span>`
+};
\ No newline at end of file
diff --git a/test/runtime/samples/attribute-static-quotemarks/main.html b/test/runtime/samples/attribute-static-quotemarks/main.html
new file mode 100644
index 0000000000..5f9c68c53c
--- /dev/null
+++ b/test/runtime/samples/attribute-static-quotemarks/main.html
@@ -0,0 +1 @@
+<span title='"foo"'>foo</span>
\ No newline at end of file