diff --git a/jsf-mockito/src/test/java/org/jboss/test/faces/mockito/TestMockExternalContext.java b/jsf-mockito/src/test/java/org/jboss/test/faces/mockito/TestMockExternalContext.java
index ad923b8..a1ad9d0 100644
--- a/jsf-mockito/src/test/java/org/jboss/test/faces/mockito/TestMockExternalContext.java
+++ b/jsf-mockito/src/test/java/org/jboss/test/faces/mockito/TestMockExternalContext.java
@@ -1,5 +1,6 @@
 package org.jboss.test.faces.mockito;
 
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertSame;
 import static org.junit.Assert.assertTrue;
 
@@ -9,6 +10,7 @@
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
+import org.mockito.Mockito;
 
 public class TestMockExternalContext {
 
@@ -39,4 +41,13 @@ public void testExternalContext() {
         assertTrue(FacesContext.getCurrentInstance().getExternalContext() instanceof ExternalContext);
         assertSame(environment.getFacesContext().getExternalContext(), FacesContext.getCurrentInstance().getExternalContext());
     }
+
+    @Test
+    public void externalContextShouldBeAbleToBeStubbed() {
+        environment.withExternalContext();
+        ExternalContext externalContext = environment.getExternalContext();
+        Mockito.when(externalContext.getAuthType()).thenReturn("customAuthType");
+
+        assertEquals("customAuthType", FacesContext.getCurrentInstance().getExternalContext().getAuthType());
+    }
 }