diff --git a/tool/rawstr4c/test/fixture/rawstr4c.md b/tool/rawstr4c/test/fixture/rawstr4c.md
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@@ -0,0 +1,9 @@
+# Test default file name
+
+random words
+
+- postfix = `rakutest`
+
+```raku
+say "hello world";
+```