Cleanup unused variables

test/integration_helper.rb

@@ -60,7 +60,7 @@ def ping(timeout = 30)
     def alive?
       3.times { get('/ping') }
       true
-    rescue Errno::ECONNREFUSED, Errno::ECONNRESET, EOFError, SystemCallError, OpenURI::HTTPError, Timeout::Error => error
+    rescue Errno::ECONNREFUSED, Errno::ECONNRESET, EOFError, SystemCallError, OpenURI::HTTPError, Timeout::Error
       false
     end
 

test/request_test.rb

@@ -38,7 +38,7 @@ class RequestTest < Test::Unit::TestCase
       'CONTENT_TYPE' => 'application/x-www-form-urlencoded',
       'rack.input' => StringIO.new('foo=bar')
     )
-    params = Sinatra::Base.new!.send(:indifferent_hash).replace(request.params)
+    Sinatra::Base.new!.send(:indifferent_hash).replace(request.params)
     dumped = Marshal.dump(request.params)
     assert_equal 'bar', Marshal.load(dumped)['foo']
   end

test/streaming_test.rb

@@ -41,9 +41,9 @@ class StreamingTest < Test::Unit::TestCase
   it 'calls the callback after it is done' do
     step   = 0
     final  = 0
-    stream = Stream.new { |o| 10.times { step += 1 }}
+    stream = Stream.new { 10.times { step += 1 }}
     stream.callback { final = step }
-    stream.each { |str| }
+    stream.each { }
     assert_equal 10, final
   end
 
@@ -52,7 +52,7 @@ class StreamingTest < Test::Unit::TestCase
     final  = 0
     stream = Stream.new(Stream, :keep_open) { |o| 10.times { step += 1 } }
     stream.callback { final = step }
-    stream.each { |str| }
+    stream.each { }
     assert_equal 0, final
   end
 
@@ -61,7 +61,7 @@ class StreamingTest < Test::Unit::TestCase
     stream = Stream.new { }
     stream.callback { a = true }
     stream.callback { b = true }
-    stream.each { |str| }
+    stream.each { }
     assert a, 'should trigger first callback'
     assert b, 'should trigger second callback'
   end
@@ -110,7 +110,7 @@ def defer!(*)         @defer.pop.call    until @defer.empty?    end
 
   it 'does not trigger an infinite loop if you call close in a callback' do
     stream = Stream.new { |out| out.callback { out.close }}
-    stream.each { |str| }
+    stream.each { }
   end
 
   it 'gives access to route specific params' do