import "package:test/test.dart";
void main() {
 group("Dummy Test", () {
 test("Always passes", () {
 expect(true, isTrue);
 });

 test("Basic arithmetic", () {
 expect(2 + 2, equals(4));
 });

 test("String manipulation", () {
 String testString = "Protevus Platform";
 expect(testString.contains("Platform"), isTrue);
 expect(testString.toLowerCase(), equals("protevus platform"));
 });
 });
}