test_array.rb: increase timeout for RubyCI

to prevent random failures.

test/ruby/test_autoload.rb: ditto
test/ruby/test_optimization.rb: ditto

https://rubyci.org/logs/rubyci.s3.amazonaws.com/scw-9d6766/ruby-trunk/log/20181228T101706Z.fail.html.gz
https://rubyci.org/logs/mswinci.japaneast.cloudapp.azure.com/vc12-x64/ruby-trunk/log/20181228T114549Z.fail.html.gz

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66614 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_array.rb

@@ -2950,7 +2950,7 @@ class TestArray < Test::Unit::TestCase
     Bug11235 = '[ruby-dev:49043] [Bug #11235]'
 
     def test_push_over_ary_max
-      assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 30)
+      assert_separately(['-', ARY_MAX.to_s, Bug11235], "#{<<~"begin;"}\n#{<<~'end;'}", timeout: 60)
       begin;
         a = Array.new(ARGV[0].to_i)
         assert_raise(IndexError, ARGV[1]) {0x1000.times {a.push(1)}}

test/ruby/test_autoload.rb

@@ -336,7 +336,7 @@ p Foo::Bar
   end
 
   def test_no_leak
-    assert_no_memory_leak([], '', <<~'end;', 'many autoloads', timeout: 30)
+    assert_no_memory_leak([], '', <<~'end;', 'many autoloads', timeout: 60)
       200000.times do |i|
         m = Module.new
         m.instance_eval do

test/ruby/test_optimization.rb

@@ -717,7 +717,7 @@ class TestRubyOptimization < Test::Unit::TestCase
   end
 
   def test_clear_unreachable_keyword_args
-    assert_separately [], <<-END, timeout: 30
+    assert_separately [], <<-END, timeout: 60
       script =  <<-EOS
         if true
         else