diff --git a/t/Operation/Auth.t b/t/Operation/Auth.t
index 82b10ab0c..cbe1e5a6d 100644
--- a/t/Operation/Auth.t
+++ b/t/Operation/Auth.t
@@ -25,17 +25,58 @@ use WebGUI::Operation::Auth;
 # Init
 my $session         = WebGUI::Test->session;
 
+#----------------------------------------------------------------------------
+# Test package for method dispatch
+BEGIN {
+    package WebGUI::Auth::TestAuth;
+
+    use base 'WebGUI::Auth';
+
+    sub new {
+        my $self    = $_[0]->SUPER::new(@_);
+        $self->setCallable( ['callable'] );
+        return bless $self, 'WebGUI::Auth::TestAuth'; # Auth requires rebless
+    }
+
+    sub callable {
+        return "callable";
+    }
+
+    sub www_verify {
+        return "verify";
+    }
+}
+$INC{'WebGUI/Auth/TestAuth.pm'} = __FILE__;
+package main;
+
 #----------------------------------------------------------------------------
 # Tests
 
-plan tests => 4;        # Increment this number for each test you create
+plan tests => 6;        # Increment this number for each test you create
 
 #----------------------------------------------------------------------------
 # Test the getInstance method
 # By default, it returns a WebGUI::Auth::WebGUI object
 my $auth = WebGUI::Operation::Auth::getInstance( $session );
 ok($auth, 'getInstance returned something');
-isa_ok($auth, 'WebGUI::Auth::WebGUI');
+isa_ok($auth, 'WebGUI::Auth::' . $session->setting->get('authMethod') );
+
+# Test setting authType by form var
+$session->request->setup_body({
+    authType        => 'TestAuth',
+});
+isa_ok( 
+    WebGUI::Operation::Auth::getInstance( $session ),
+    'WebGUI::Auth::' . $session->setting->get('authMethod'),
+    'AuthType not in config file, so return default authType',
+);
+
+$session->config->addToArray( 'authMethods', 'TestAuth' );
+isa_ok( 
+    WebGUI::Operation::Auth::getInstance( $session ),
+    'WebGUI::Auth::' . $session->setting->get('authMethod'),
+    'AuthType in config file, so return instance of authType',
+);
 
 # Test the web method for auth operation
 # First a clean session, without an authenticated user
@@ -54,3 +95,5 @@ unlike(
     qr/<input type="hidden" name="method" value="login" /, 
     "Hidden form elements for login NOT displayed to valid user",
 );
+
+