Remove warnings in transport unit tests

Author: picandocodigo

elasticsearch-transport/test/unit/connection_test.rb

@@ -64,8 +64,8 @@ class Elasticsearch::Transport::Transport::Connections::ConnectionTest < Minites
 
     should "have a string representation" do
       c = Connection.new :host => 'x'
-      assert_match /host: x/, c.to_s
-      assert_match /alive/,   c.to_s
+      assert_match(/host: x/, c.to_s)
+      assert_match(/alive/,   c.to_s)
     end
 
     should "not be dead by default" do

elasticsearch-transport/test/unit/transport_base_test.rb

@@ -429,7 +429,7 @@ def initialize(*); end
       @transport.stubs(:get_connection).returns(fake_connection)
 
       @transport.logger.expects(:info).with do |message|
-        assert_match /http:\/\/user:\*{1,15}@localhost\:9200/, message
+        assert_match(/http:\/\/user:\*{1,15}@localhost\:9200/, message)
         true
       end
 

elasticsearch-transport/test/unit/transport_faraday_test.rb

@@ -149,7 +149,7 @@ class Elasticsearch::Transport::Transport::HTTP::FaradayTest < Minitest::Test
 
       transport.connections.first.connection.expects(:run_request).
         with do |method, url, params, body|
-          assert_match /\?format=yaml/, url
+          assert_match(/\?format=yaml/, url)
           true
         end.
         returns(stub_everything)
@@ -167,7 +167,7 @@ class Elasticsearch::Transport::Transport::HTTP::FaradayTest < Minitest::Test
 
       transport.connections.first.connection.expects(:run_request).
         with do |method, url, params, body|
-          assert_match /\?format=json/, url
+          assert_match(/\?format=json/, url)
           true
         end.
         returns(stub_everything)

elasticsearch-transport/test/unit/transport_manticore_test.rb

@@ -145,8 +145,8 @@ class Elasticsearch::Transport::Transport::HTTP::ManticoreTest < Minitest::Test
         transport = Manticore.new :hosts => [ { :host => 'foobar', :port => 1234 } ], :options => options
         transport.connections.first.connection
           .expects(:get)
-          .with do |host, options|
-            assert_equal 'myapp-0.0', options[:headers]['User-Agent']
+          .with do |host, _options|
+            assert_equal 'myapp-0.0', _options[:headers]['User-Agent']
             true
           end
           .returns(stub_everything)