[ruby-cvs:78446] ab516e263c (master): [ruby/spec] Fix failures with LC_ALL=C

Nobuyoshi Nakada	2019-12-01 21:14:58 +0900 (Sun, 01 Dec 2019)

  New Revision: ab516e263c

  https://github.com/ruby/ruby/commit/ab516e263c

  Log:
    [ruby/spec] Fix failures with LC_ALL=C
    
    https://github.com/ruby/spec/commit/51047687c0
    https://github.com/ruby/spec/commit/2b87b467cc

  Added files:
    spec/ruby/core/env/spec_helper.rb
  Modified files:
    spec/ruby/core/env/each_pair_spec.rb
    spec/ruby/core/env/each_spec.rb
    spec/ruby/core/env/each_value_spec.rb
    spec/ruby/core/env/shared/each.rb
    spec/ruby/core/env/shared/to_hash.rb
    spec/ruby/core/env/to_a_spec.rb
    spec/ruby/core/env/to_h_spec.rb
    spec/ruby/core/env/to_hash_spec.rb
    spec/ruby/core/env/values_spec.rb