BAEL-6585 - Unit Testing of System.in with JUnit (#14436)

* BAEL-6585 - Unit Testing of System.in with JUnit

* Rename test classes

* Remane test classes

testing-modules/testing-libraries-2/src/main/java/com/baeldung/systemin/Application.java

@@ -0,0 +1,17 @@
+package com.baeldung.systemin;
+
+import java.util.Scanner;
+
+public class Application {
+
+    public static final String NAME = "Name: ";
+
+    private Application() {
+    }
+
+    public static String readName() {
+        Scanner scanner = new Scanner(System.in);
+        String input = scanner.next();
+        return NAME.concat(input);
+    }
+}