diff --git a/frontend/tests/utils/dateUtil.test.ts b/frontend/tests/utils/dateUtil.test.ts
index b4213f36d..8529eb04c 100644
--- a/frontend/tests/utils/dateUtil.test.ts
+++ b/frontend/tests/utils/dateUtil.test.ts
@@ -17,4 +17,12 @@ describe("formatDate", () => {
   it("returns a human readable string for properly formatted dates", () => {
     expect(formatDate("2024-10-10")).toBe("October 10, 2024");
   });
+
+  it("invokes console warn when date string does not contain 3 parts", () => {
+    const logSpy = jest.spyOn(global.console, "warn");
+    formatDate("10-1019999");
+    expect(logSpy).toHaveBeenCalledWith(
+      "invalid date string provided for parse",
+    );
+  });
 });