fix broken unit tests

Fix test for Ruby 1.9 / MiniTest.

test/functional/sessions_controller_test.rb

@@ -31,7 +31,7 @@ def test_should_remember_me
   def test_should_not_remember_me
     @request.cookies["auth_token"] = nil
     post :create, :login => 'quentin', :password => 'monkey', :remember_me => "0"
-    assert @response.cookies["auth_token"].blank?, @response.cookies["auth_token"]
+    assert @response.cookies["auth_token"].blank?, "Cookie contains #{@response.cookies["auth_token"]}"
   end
 
   def test_should_delete_token_on_logout

test/unit/hostgroup_test.rb

@@ -86,7 +86,9 @@ class HostgroupTest < ActiveSupport::TestCase
     assert conditions[0].length > 0
   end
 
-  should "treat host with no type as hostname" do
+  test "treat host with no type as hostname" do
+    Host.make(:host => "host1").save
+
     group = Hostgroup.find(4)
     conditions = group.hostname_conditions
 
@@ -96,3 +98,4 @@ class HostgroupTest < ActiveSupport::TestCase
     assert_equal "host1", conditions[0]
   end
 end
+

test/unit/message_test.rb

@@ -4,6 +4,8 @@ class MessageTest < ActiveSupport::TestCase
   should "test all_of_hostgroup"
 
   should "test count_of_hostgroup" do
+    Host.make(:host => "somehost").save
+
     Message.make(:host => "foobar", :message => "bla").save
     Message.make(:host => "foobarish", :message => "gdfgdfhh").save
     Message.make(:host => "foofoo", :message => "foobarish").save