ruby 1.8 compat

lib/faraday/adapter/rack.rb

@@ -24,7 +24,7 @@ module Faraday
       rescue LoadError
         $stderr.puts "Faraday: you may want to install system_timer for reliable timeouts"
       ensure
-        SystemTimer ||= Timeout
+        SystemTimer = Timeout unless defined? ::SystemTimer
       end
 
       # @param app [Faraday::Middleware]

test/adapters/em_synchrony_test.rb

@@ -10,5 +10,5 @@ module Adapters
       undef :test_timeout
     end
 
-  end
+  end unless RUBY_VERSION < '1.9'
 end

test/adapters/integration.rb

@@ -158,7 +158,7 @@ module Adapters
 
       # extra options to pass when building the adapter
       def adapter_options
-        nil
+        []
       end
 
       def create_connection(options = {})

test/adapters/rack_test.rb

@@ -7,7 +7,7 @@ module Adapters
     def adapter() :rack end
 
     def adapter_options
-      FaradayTestServer
+      [FaradayTestServer]
     end
 
     Integration.apply(self, :NonParallel) do