Fix Resource attribute bug

Allow Resources to have the same attribute name
but different attribute values

qa/qa/resource/base.rb

@@ -116,23 +116,13 @@ module QA
       end
       private_class_method :evaluator
 
-      def self.dynamic_attributes
-        const_get(:DynamicAttributes)
-      rescue NameError
-        mod = const_set(:DynamicAttributes, Module.new)
-
-        include mod
-
-        mod
-      end
-
       class DSL
         def initialize(base)
           @base = base
         end
 
         def attribute(name, &block)
-          @base.dynamic_attributes.module_eval do
+          @base.module_eval do
             attr_writer(name)
 
             define_method(name) do

qa/spec/resource/base_spec.rb

@@ -213,6 +213,42 @@ describe QA::Resource::Base do
           .to raise_error(described_class::NoValueError, "No value was computed for no_block of #{resource.class.name}.")
       end
     end
+
+    context 'when multiple resources have the same attribute name' do
+      let(:base) do
+        Class.new(QA::Resource::Base) do
+          def fabricate!
+            'any'
+          end
+
+          def self.current_url
+            'http://stub'
+          end
+        end
+      end
+      let(:first_resource) do
+        Class.new(base) do
+          attribute :test do
+            'first block'
+          end
+        end
+      end
+      let(:second_resource) do
+        Class.new(base) do
+          attribute :test do
+            'second block'
+          end
+        end
+      end
+
+      it 'has unique attribute values' do
+        first_result = first_resource.fabricate!(resource: first_resource.new)
+        second_result = second_resource.fabricate!(resource: second_resource.new)
+
+        expect(first_result.test).to eq 'first block'
+        expect(second_result.test).to eq 'second block'
+      end
+    end
   end
 
   describe '#web_url' do