diff --git a/src/test/java/com/example/util/AddFunctionTest.java b/src/test/java/com/example/util/AddFunctionTest.java
new file mode 100644
index 0000000..6a94268
--- /dev/null
+++ b/src/test/java/com/example/util/AddFunctionTest.java
@@ -0,0 +1 @@
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\ No newline at end of file