diff --git a/src/main/java/fr/xephi/authme/util/Utils.java b/src/main/java/fr/xephi/authme/util/Utils.java
index 9803042c..18a7e206 100644
--- a/src/main/java/fr/xephi/authme/util/Utils.java
+++ b/src/main/java/fr/xephi/authme/util/Utils.java
@@ -34,6 +34,7 @@ public final class Utils {
 
     static {
         plugin = AuthMe.getInstance();
+        wrapper = new Wrapper(plugin);
         initializeOnlinePlayersIsCollectionField();
     }
 
diff --git a/src/test/java/fr/xephi/authme/settings/MessageKeyTest.java b/src/test/java/fr/xephi/authme/settings/MessageKeyTest.java
new file mode 100644
index 00000000..2eab88aa
--- /dev/null
+++ b/src/test/java/fr/xephi/authme/settings/MessageKeyTest.java
@@ -0,0 +1,33 @@
+package fr.xephi.authme.settings;
+
+import fr.xephi.authme.util.StringUtils;
+import org.junit.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static org.junit.Assert.fail;
+
+/**
+ * Test for {@link MessageKey}.
+ */
+public class MessageKeyTest {
+
+    @Test
+    public void shouldHaveUniqueMessageKeys() {
+        // given
+        MessageKey[] messageKeys = MessageKey.values();
+        Set<String> keys = new HashSet<>();
+
+        // when / then
+        for (MessageKey messageKey : messageKeys) {
+            String key = messageKey.getKey();
+            if (keys.contains(key)) {
+                fail("Found key '" + messageKey.getKey() + "' twice!");
+            } else if (StringUtils.isEmpty(key)) {
+                fail("Key for message key '" + messageKey + "' is empty");
+            }
+            keys.add(key);
+        }
+    }
+}
diff --git a/src/test/java/fr/xephi/authme/settings/MessagesTest.java b/src/test/java/fr/xephi/authme/settings/MessagesTest.java
index 3d4f138e..842019f2 100644
--- a/src/test/java/fr/xephi/authme/settings/MessagesTest.java
+++ b/src/test/java/fr/xephi/authme/settings/MessagesTest.java
@@ -7,22 +7,38 @@ import org.junit.Before;
 import org.junit.Test;
 
 import java.io.File;
+import java.net.URL;
+
+import static java.util.Arrays.asList;
 
 /**
  * Test for {@link Messages}.
  */
 public class MessagesTest {
 
+    private static final String YML_TEST_FILE = "messages_test.yml";
+    private Messages messages;
+
     @Before
     public void setUpMessages() {
         AuthMe authMe = AuthMeMockUtil.mockAuthMeInstance();
         AuthMeMockUtil.insertMockWrapperInstance(ConsoleLogger.class, "wrapper", authMe);
-        File file = new File("messages_test.yml");
-        Messages messages = new Messages(file, "en");
+
+        Settings.messagesLanguage = "en";
+        URL url = getClass().getClassLoader().getResource(YML_TEST_FILE);
+        if (url == null) {
+            throw new RuntimeException("File '" + YML_TEST_FILE + "' could not be loaded");
+        }
+
+        File file = new File(url.getFile());
+        messages = new Messages(file, "en");
     }
 
     @Test
     public void shouldLoadMessages() {
-
+        // given
+        // when
+        String[] send = messages.send(MessageKey.CAPTCHA_WRONG_ERROR.getKey());
+        System.out.println(asList(send));
     }
 }
diff --git a/src/test/java/fr/xephi/authme/util/UtilsTest.java b/src/test/java/fr/xephi/authme/util/UtilsTest.java
index 97b64184..f228947f 100644
--- a/src/test/java/fr/xephi/authme/util/UtilsTest.java
+++ b/src/test/java/fr/xephi/authme/util/UtilsTest.java
@@ -44,10 +44,14 @@ public class UtilsTest {
 
         BukkitScheduler schedulerMock = mock(BukkitScheduler.class);
         when(serverMock.getScheduler()).thenReturn(schedulerMock);
+
+
         when(schedulerMock.runTaskAsynchronously(any(Plugin.class), any(Runnable.class)))
             .thenReturn(mock(BukkitTask.class));
 
+        System.out.println("Initialized scheduler mock for server mock");
         AuthMeMockUtil.insertMockWrapperInstance(Utils.class, "wrapper", (WrapperMock) wrapperMock);
+        System.out.println("Iniadfk");
 
         permissionsManagerMock = mock(PermissionsManager.class);
         when(authMeMock.getPermissionsManager()).thenReturn(permissionsManagerMock);