diff --git a/src/main/java/hs/fulda/de/ci/exam/project/AccountRepository.java b/src/main/java/hs/fulda/de/ci/exam/project/AccountRepository.java
index 90a96db..6cec755 100644
--- a/src/main/java/hs/fulda/de/ci/exam/project/AccountRepository.java
+++ b/src/main/java/hs/fulda/de/ci/exam/project/AccountRepository.java
@@ -25,10 +25,15 @@ public class AccountRepository {
     public Collection<Account> findAll() {
         return  accountList.values();
     }
-    public void save(Account account){
+    public boolean save(Account account){
         accountList.put(generateKey(account), account);
+        return true;
     }
     public void addPersonalDetails(Person person, String id){
         personalInfo.put(accountList.get(id), person);
     }
+
+    public void delete(Account account) {
+        accountList.remove(generateKey(account));
+    }
 }
diff --git a/src/main/java/hs/fulda/de/ci/exam/project/AccountService.java b/src/main/java/hs/fulda/de/ci/exam/project/AccountService.java
index 051e0b9..814d4c2 100644
--- a/src/main/java/hs/fulda/de/ci/exam/project/AccountService.java
+++ b/src/main/java/hs/fulda/de/ci/exam/project/AccountService.java
@@ -34,11 +34,12 @@ public class AccountService {
             throw new RuntimeException("Account Already Exists");
         }
     }
-    public void createAccount(String id, String password, Account.AccountStatus accountStatus){
+    public boolean createAccount(String id, String password, Account.AccountStatus accountStatus){
         Account account = new Account(id, password, accountStatus);
         validateAccount(account);
         checkIfAccountAlreadyExist(account);
         accountRepository.save(account);
+        return true;
     }
 
 
diff --git a/src/test/java/hs/fulda/de/ci/exam/project/AccountServiceTest.java b/src/test/java/hs/fulda/de/ci/exam/project/AccountServiceTest.java
index dfbe67e..3d1d7dd 100644
--- a/src/test/java/hs/fulda/de/ci/exam/project/AccountServiceTest.java
+++ b/src/test/java/hs/fulda/de/ci/exam/project/AccountServiceTest.java
@@ -9,6 +9,8 @@ import org.mockito.InOrder;
 import java.util.ArrayList;
 import java.util.Date;
 
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.hamcrest.CoreMatchers.is;
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.*;
@@ -123,4 +125,16 @@ public class AccountServiceTest {
         });
     }
 
+    @Test
+    public void verifyCreateAccount() {
+
+        when(accountRepository.save(any(Account.class))).thenReturn(true);
+
+        assertTrue(accountService.createAccount("John", "pwd", Account.AccountStatus.ACTIVE));
+
+        verify(accountRepository).save(any(Account.class));
+        verify(accountRepository, times(1)).checkIfAccountAlreadyExist(any(Account.class));
+        verify(accountRepository, never()).delete(any(Account.class));
+    }
+
 }