Fix all the tests. We should be good to go for 3.1.0.rc1

lib/shoulda/matchers/action_controller/set_the_flash_matcher.rb

@@ -57,12 +57,12 @@ def sets_the_flash?
 
         def string_value_matches?
           return true unless String === @value
-          flash.values.any? {|value| value == @value }
+          flash.to_hash.values.any? {|value| value == @value }
         end
 
         def regexp_value_matches?
           return true unless Regexp === @value
-          flash.values.any? {|value| value =~ @value }
+          flash.to_hash.values.any? {|value| value =~ @value }
         end
 
         def flash

spec/shoulda/active_model/validate_acceptance_of_matcher_spec.rb

@@ -4,7 +4,7 @@
 
   context "an attribute which must be accepted" do
     before do
-      @model = define_model(:example) do
+      @model = define_model(:example, :attr => :string) do
         validates_acceptance_of :attr
       end.new
     end
@@ -30,7 +30,7 @@
 
   context "an attribute which must be accepted with a custom message" do
     before do
-      @model = define_model(:example) do
+      @model = define_model(:example, :attr => :string) do
         validates_acceptance_of :attr, :message => 'custom'
       end.new
     end

spec/shoulda/active_model/validate_uniqueness_of_matcher_spec.rb

@@ -50,7 +50,7 @@
       @model = define_model(:example, :attr => :string) do
         validates_uniqueness_of :attr, :message => 'Bad value'
       end.new
-      Example.create!
+      Example.create!(:attr => 'value')
     end
 
     it "should fail when checking the default message" do

spec/support/model_builder.rb

@@ -34,6 +34,7 @@ def define_constant(class_name, base, &block)
     klass.unloadable
 
     klass.class_eval(&block) if block_given?
+    klass.reset_column_information if klass.respond_to?(:reset_column_information)
 
     klass
   end