Don't kill listener thread on spec

spec/guard/listener_spec.rb

@@ -158,29 +158,29 @@ describe Guard::Listener do
       end
     end
   end
-  
+
   describe "#ignore_paths" do
     it "defaults to the default ignore paths" do
       subject.new.ignore_paths.should == Guard::Listener::DefaultIgnorePaths
     end
-    
+
     it "can be added to via :ignore_paths option" do
       listener = subject.new 'path', :ignore_paths => ['foo', 'bar']
       listener.ignore_paths.should include('foo', 'bar')
     end
   end
-  
+
   describe "#exclude_ignored_paths [<dirs>]" do
     let(:ignore_paths) { nil }
     subject { described_class.new(@fixture_path, {:ignore_paths => ignore_paths}) }
-    
+
     it "returns children of <dirs>" do
       subject.exclude_ignored_paths(["spec/fixtures"]).should =~ ["spec/fixtures/.dotfile", "spec/fixtures/folder1", "spec/fixtures/Guardfile"]
     end
-    
+
     describe "when ignore_paths set to some of <dirs> children" do
       let(:ignore_paths) { ['Guardfile', '.dotfile'] }
-      
+
       it "excludes the ignored paths" do
         subject.exclude_ignored_paths(["spec/fixtures"]).should =~ ["spec/fixtures/folder1"]
       end

spec/support/listener_helper.rb

@@ -3,7 +3,7 @@ private
   def start(rest_delay = @rest_delay)
     sleep(rest_delay || 1)
     @listener.update_last_event
-    @thread = Thread.new { @listener.start }
+    Thread.new { @listener.start }
     sleep(rest_delay || 1)
   end
 
@@ -19,7 +19,6 @@ private
   def stop(rest_delay = @rest_delay)
     sleep(rest_delay || 1)
     @listener.stop
-    Thread.kill(@thread)
     sleep(rest_delay || 1)
   end