Fixed: unit tests broken by r3438 (#4860).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3442 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/test_helper.rb

@@ -79,6 +79,9 @@ class ActiveSupport::TestCase
   def self.ldap_configured?
     @test_ldap = Net::LDAP.new(:host => '127.0.0.1', :port => 389)
     return @test_ldap.bind
+  rescue Exception => e
+    # LDAP is not listening
+    return nil
   end
 
   # Shoulda macros