rubyopt_spec.rb: Stop testing JIT options

in child processes.

`make test-spec SPECOPTS="spec/ruby/command_line/rubyopt_spec.rb -T --yjit"`
fails because `ruby_exe` doesn't seem to propagate options to child processes.

Author: k0kubun

spec/ruby/command_line/rubyopt_spec.rb

@@ -25,12 +25,12 @@
   guard -> { RbConfig::CONFIG["CROSS_COMPILING"] != "yes" } do
     it "prints the version number for '-v'" do
       ENV["RUBYOPT"] = '-v'
-      ruby_exe("")[/\A.*/].gsub(/\s\+(PRISM|GC(\[\w+\])?)(?=\s)/, "").should == RUBY_DESCRIPTION.gsub(/\s\+(PRISM|GC(\[\w+\])?)(?=\s)/, "")
+      ruby_exe("")[/\A.*/].gsub(/\s\+(YJIT( \w+)?|ZJIT( \w+)?|PRISM|GC(\[\w+\])?)(?=\s)/, "").should == RUBY_DESCRIPTION.gsub(/\s\+(YJIT( \w+)?|ZJIT( \w+)?|PRISM|GC(\[\w+\])?)(?=\s)/, "")
     end
 
     it "ignores whitespace around the option" do
       ENV["RUBYOPT"] = ' -v '
-      ruby_exe("")[/\A.*/].gsub(/\s\+(PRISM|GC(\[\w+\])?)(?=\s)/, "").should == RUBY_DESCRIPTION.gsub(/\s\+(PRISM|GC(\[\w+\])?)(?=\s)/, "")
+      ruby_exe("")[/\A.*/].gsub(/\s\+(YJIT( \w+)?|ZJIT( \w+)?|PRISM|GC(\[\w+\])?)(?=\s)/, "").should == RUBY_DESCRIPTION.gsub(/\s\+(YJIT( \w+)?|ZJIT( \w+)?|PRISM|GC(\[\w+\])?)(?=\s)/, "")
     end
   end