diff --git a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
index 33b6cba..e89d5e2 100644
--- a/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
+++ b/projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java
@@ -37,4 +37,39 @@ public class CustomersTest extends TestCase {
 		assertTrue(userRegistered);
 	}
 	
+	/**
+	 * Register multiple Users and then search for them in the same order.
+	 */
+	public void test_registerMultipleUsers() {
+		// Given
+		Customers customers = new Customers();
+		String[] expectedNickNamesInput = {"Mougli", "Tarkan", "beastMaster64", "BlaBlaPew", "MuchDoge_321"};
+		User[] expectedNewUsers = new User[expectedNickNamesInput.length];
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Create user
+			expectedNewUsers[i] = new User(expectedNickNamesInput[i]);
+			
+			// Add user
+			customers.registerUser(expectedNewUsers[i]);
+		}
+		
+		// Get the expected Users
+		User foundUser;
+		String expectedNickNameGotBack;
+		boolean userRegistered;
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Get user
+			foundUser = customers.getByNickname(expectedNickNamesInput[i]);
+			assertTrue(null != foundUser);
+			
+			// When
+			expectedNickNameGotBack = foundUser.nickName;
+			userRegistered = expectedNickNameGotBack.equals(expectedNickNamesInput[i]);
+			
+			// Then
+			assertTrue(userRegistered);
+		}
+	}
 }