test/net/http/test_http.rb: extend the timeout for Solaris CI

https://rubyci.org/logs/rubyci.s3.amazonaws.com/unstable10s/ruby-master/log/20190605T231909Z.fail.html.gz

test/net/http/test_http.rb

@@ -536,9 +536,9 @@ module TestNetHTTP_version_1_1_methods
       port = server.addr[1]
 
       conn = Net::HTTP.new('localhost', port)
-      conn.write_timeout = 0.01
-      conn.read_timeout = 0.01 if windows?
-      conn.open_timeout = 0.1
+      conn.write_timeout = EnvUtil.apply_timeout_scale(0.01)
+      conn.read_timeout = EnvUtil.apply_timeout_scale(0.01) if windows?
+      conn.open_timeout = EnvUtil.apply_timeout_scale(0.1)
 
       th = Thread.new do
         err = !windows? ? Net::WriteTimeout : Net::ReadTimeout
@@ -560,8 +560,8 @@ module TestNetHTTP_version_1_1_methods
       port = server.addr[1]
 
       conn = Net::HTTP.new('localhost', port)
-      conn.read_timeout = 0.01
-      conn.open_timeout = 0.1
+      conn.read_timeout = EnvUtil.apply_timeout_scale(0.01)
+      conn.open_timeout = EnvUtil.apply_timeout_scale(0.1)
 
       th = Thread.new do
         assert_raise(Net::ReadTimeout) {