test_ftp.rb: loosen timeout for Travis osx

https://travis-ci.org/ruby/ruby/jobs/454798071

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/net/ftp/test_ftp.rb

@@ -377,7 +377,7 @@ class FTPTest < Test::Unit::TestCase
     begin
       begin
         ftp = Net::FTP.new
-        ftp.read_timeout = 0.2
+        ftp.read_timeout = 1.0
         ftp.connect(SERVER_ADDR, server.port)
         ftp.login
         assert_match(/\AUSER /, commands.shift)
@@ -386,7 +386,7 @@ class FTPTest < Test::Unit::TestCase
         assert_equal(nil, commands.shift)
       ensure
         ftp.close
-        assert_equal(0.2, ftp.read_timeout)
+        assert_equal(1.0, ftp.read_timeout)
       end
     ensure
       server.close
@@ -662,7 +662,7 @@ class FTPTest < Test::Unit::TestCase
       sock.print("150 Opening BINARY mode data connection for foo (#{binary_data.size} bytes)\r\n")
       conn = TCPSocket.new(host, port)
       binary_data.scan(/.{1,1024}/nm) do |s|
-        sleep(0.1)
+        sleep(0.2)
         conn.print(s)
       end
       conn.shutdown(Socket::SHUT_WR)
@@ -673,7 +673,7 @@ class FTPTest < Test::Unit::TestCase
     begin
       begin
         ftp = Net::FTP.new
-        ftp.read_timeout = 0.2
+        ftp.read_timeout = 1.0
         ftp.connect(SERVER_ADDR, server.port)
         ftp.login
         assert_match(/\AUSER /, commands.shift)