using MyExercise_2s; using NUnit.Framework; namespace Tests_2s { internal class StringFormatterTests { [Test] public void JoinsObjectsWithSemiColon() { // Arrange var formatterUnderTest = new StringFormatter(); formatterUnderTest.Configure(";"); var objects = new object[] {"a", "bc", 5, "d"}; // Act var result = formatterUnderTest.Join(objects); // Assert Assert.AreEqual("a;bc;5;d", result); } } }