[BAEL-2998] - Adding example for @DirtiesContext

testing-modules/spring-testing/src/main/java/com/baeldung/dirtiescontext/UserCache.java

@@ -0,0 +1,30 @@
+package com.baeldung.dirtiescontext;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.springframework.stereotype.Component;
+
+import lombok.Getter;
+import lombok.ToString;
+
+@ToString
+@Component
+public class UserCache {
+
+    @Getter
+    private Set<String> userList = new HashSet<>();
+
+    public boolean addUser(String user) {
+        return userList.add(user);
+    }
+
+    public boolean removeUser(String user) {
+        return userList.remove(user);
+    }
+
+    public void printUserList(String message) {
+        System.out.println(message + ": " + userList);
+    }
+
+}