test: refactor existing tests to vitest

test/tools/isSameCode.ts

@@ -0,0 +1,5 @@
+export function isSameCode(code1: string, code2: string): boolean {
+    const removeSpacesAndNewLines = (code: string) => code.replace(/\s/g, "").replace(/\n/g, "");
+
+    return removeSpacesAndNewLines(code1) === removeSpacesAndNewLines(code2);
+}