diff --git a/test/data/test_string_unicode_05.expected b/test/data/test_string_unicode_05.expected
new file mode 100644
index 0000000..e785065
--- /dev/null
+++ b/test/data/test_string_unicode_05.expected
@@ -0,0 +1 @@
+.="za\u017c\u00f3\u0142\u0107 g\u0119\u015bl\u0105 ja\u017a\u0144"
\ No newline at end of file
diff --git a/test/data/test_string_unicode_05.json b/test/data/test_string_unicode_05.json
new file mode 100644
index 0000000..8770410
--- /dev/null
+++ b/test/data/test_string_unicode_05.json
@@ -0,0 +1 @@
+"Zażółć gęślą jaźń"
\ No newline at end of file