diff --git a/actionmailer/Rakefile b/actionmailer/Rakefile
index 457f3b7838..5d5539df1d 100644
--- a/actionmailer/Rakefile
+++ b/actionmailer/Rakefile
@@ -16,7 +16,7 @@ namespace :test do
   task :isolated do
     ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
     Dir.glob("test/**/*_test.rb").all? do |file|
-      sh(ruby, '-Ilib:test', file)
+      sh(ruby, '-w', '-Ilib:test', file)
     end or raise "Failures"
   end
 end
diff --git a/actionpack/Rakefile b/actionpack/Rakefile
index f858d10ae8..5433e584af 100644
--- a/actionpack/Rakefile
+++ b/actionpack/Rakefile
@@ -24,7 +24,7 @@ namespace :test do
   task :isolated do
     ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
     Dir.glob("test/{abstract,controller,dispatch}/**/*_test.rb").all? do |file|
-      sh(ruby, '-Ilib:test', file)
+      sh(ruby, '-w', '-Ilib:test', file)
     end or raise "Failures"
   end
 end
diff --git a/actionview/Rakefile b/actionview/Rakefile
index 7253c761d0..ee670b5cc0 100644
--- a/actionview/Rakefile
+++ b/actionview/Rakefile
@@ -25,7 +25,7 @@ namespace :test do
   task :isolated do
     ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
     Dir.glob("test/{active_record,template}/**/*_test.rb").all? do |file|
-      sh(ruby, '-Ilib:test', file)
+      sh(ruby, '-w', '-Ilib:test', file)
     end or raise "Failures"
   end
 
@@ -39,6 +39,8 @@ desc 'ActiveRecord Integration Tests'
 Rake::TestTask.new(:test_active_record_integration) do |t|
   t.libs << 'test'
   t.test_files = Dir.glob("test/activerecord/*_test.rb")
+  t.warning = true
+  t.verbose = true
 end
 
 spec = eval(File.read('actionview.gemspec'))
diff --git a/activerecord/Rakefile b/activerecord/Rakefile
index df0193e1b5..18f03e6562 100644
--- a/activerecord/Rakefile
+++ b/activerecord/Rakefile
@@ -62,7 +62,7 @@ end
     (Dir["test/cases/**/*_test.rb"].reject {
       |x| x =~ /\/adapters\//
     } + Dir["test/cases/adapters/#{adapter_short}/**/*_test.rb"]).all? do |file|
-      sh(ruby, "-Itest", file)
+      sh(ruby, '-w' ,"-Itest", file)
     end or raise "Failures"
   end
 
diff --git a/activesupport/Rakefile b/activesupport/Rakefile
index c5e8e382c9..99770bace9 100644
--- a/activesupport/Rakefile
+++ b/activesupport/Rakefile
@@ -14,7 +14,7 @@ namespace :test do
   task :isolated do
     ruby = File.join(*RbConfig::CONFIG.values_at('bindir', 'RUBY_INSTALL_NAME'))
     Dir.glob("test/**/*_test.rb").all? do |file|
-      sh(ruby, '-Ilib:test', file)
+      sh(ruby, '-w', '-Ilib:test', file)
     end or raise "Failures"
   end
 end