diff --git a/src/main/java/Vault.java b/src/main/java/Vault.java
new file mode 100644
index 0000000..70d4b52
--- /dev/null
+++ b/src/main/java/Vault.java
@@ -0,0 +1,3 @@
+public class Vault implements VaultInterface {
+
+}
diff --git a/src/main/java/VaultInterface.java b/src/main/java/VaultInterface.java
new file mode 100644
index 0000000..471dbd2
--- /dev/null
+++ b/src/main/java/VaultInterface.java
@@ -0,0 +1,5 @@
+
+
+public interface VaultInterface {
+
+}
diff --git a/src/test/java/PasswordManagerTest.java b/src/test/java/PasswordManagerTest.java
index 149e12f..c96f747 100644
--- a/src/test/java/PasswordManagerTest.java
+++ b/src/test/java/PasswordManagerTest.java
@@ -55,7 +55,7 @@ class PasswordManagerTest {
         pm.inputStream = new ByteArrayInputStream("v 0\n".getBytes(StandardCharsets.UTF_8));
         pm.outputStream = outputStream;
         pm.showMenu();
-        assertTrue(outputStream.toString().endsWith("-- vaults not implemented yet\n"));
+        assertFalse(outputStream.toString().endsWith("-- vaults not implemented yet\n"));
     }
 
     @Test
diff --git a/src/test/java/VaultTest.java b/src/test/java/VaultTest.java
new file mode 100644
index 0000000..d0e306d
--- /dev/null
+++ b/src/test/java/VaultTest.java
@@ -0,0 +1,12 @@
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.nio.charset.StandardCharsets;
+import java.util.NoSuchElementException;
+
+public class VaultTest {
+
+}