Make specs green, the xcconfig filename should not start with ${SRCROOT}.

spec/functional/user_project_integrator_spec.rb

@@ -50,7 +50,7 @@ describe Pod::Installer::UserProjectIntegrator do
   it 'sets the Pods xcconfig as the base config for each build configuration' do
     @podfile.target_definitions.each do |_, definition|
       target = @sample_project.targets.where(:name => definition.link_with.first)
-      xcconfig_file = @sample_project.files.where(:path => "${SRCROOT}/Pods/#{definition.xcconfig_name}")
+      xcconfig_file = @sample_project.files.where(:path => "Pods/#{definition.xcconfig_name}")
       target.build_configurations.each do |config|
         config.base_configuration.should == xcconfig_file
       end

spec/integration_spec.rb

@@ -400,7 +400,7 @@ else
 
         target = project.targets.first
         target.build_configurations.each do |config|
-          config.base_configuration.path.should == '${SRCROOT}/Pods/Pods.xcconfig'
+          config.base_configuration.path.should == 'Pods/Pods.xcconfig'
         end
         target.frameworks_build_phases.first.files.should.include libPods
         # should be the last phase