Add basic tests

packages/server/src/utilities/tests/csv.spec.ts

@@ -0,0 +1,16 @@
+import { jsonFromCsvString } from "../csv"
+
+describe("csv", () => {
+  describe("jsonFromCsvString", () => {
+    test("multiple lines csv can be casted", async () => {
+      const csvString = '"id","title"\n"1","aaa"\n"2","bbb"'
+
+      const result = await jsonFromCsvString(csvString)
+
+      expect(result).toEqual([
+        { id: "1", title: "aaa" },
+        { id: "2", title: "bbb" },
+      ])
+    })
+  })
+})