cleaner code in some spec files

spec/_redistat_spec.rb

@@ -1,6 +1,7 @@
 require "spec_helper"
 
 describe Redistat do
+  include Redistat::Database
   
   before(:each) do
     db.flushdb
@@ -30,8 +31,4 @@ describe Redistat do
     db.hget("key", "field").should == "1"
   end
   
-  def db
-    Redistat.redis
-  end
-  
 end

spec/event_spec.rb

@@ -1,6 +1,7 @@
 require "spec_helper"
 
 describe Redistat::Event do
+  include Redistat::Database
   
   before(:each) do
     db.flushdb
@@ -79,8 +80,4 @@ describe Redistat::Event do
     end
   end
   
-  def db
-    Redistat.redis
-  end
-  
 end

spec/scope_spec.rb

@@ -1,6 +1,7 @@
 require "spec_helper"
 
 describe Redistat::Scope do
+  include Redistat::Database
   
   before(:all) do
     db.flushdb
@@ -23,8 +24,4 @@ describe Redistat::Scope do
     scope.next_id.should == 2
   end
   
-  def db
-    Redistat.redis
-  end
-  
 end