Update rack-test requirement from ~> 1 to ~> 2

[dependabot[bot]]

Updates the requirements on rack-test to permit the latest version.

Changelog

Sourced from rack-test's changelog.

2.0.0 / 2022-06-24

• Breaking changes:

  • Digest authentication support is now deprecated, as it relies on digest authentication support in rack, which has been deprecated (Jeremy Evans #294)
  • Rack::Test::Utils.build_primitive_part no longer handles array values (Jeremy Evans #292)
  • Rack::Test::Utils module methods other than build_nested_query and build_multipart are now private methods (Jeremy Evans #297)
  • Rack::MockSession has been combined into Rack::Test::Session, and remains as an alias to Rack::Test::Session, but to keep some backwards compatibility, Rack::Test::Session.new will accept a Rack::Test::Session instance and return it (Jeremy Evans #297)
  • Previously protected methods in Rack::Test::Cookie{,Jar} are now private methods (Jeremy Evans #297)
  • Rack::Test::Methods no longer defines build_rack_mock_session, but for backwards compatibility, build_rack_test_session will call build_rack_mock_session if it is defined (Jeremy Evans #297)
  • Rack::Test::Methods::METHODS is no longer defined (Jeremy Evans #297)
  • Rack::Test::Methods#_current_session_names has been removed (Jeremy Evans #297)
  • Headers used/accessed by rack-test are now lower case, for rack 3 compliance (Jeremy Evans #295)
  • Frozen literal strings are now used internally, which may break code that mutates static strings returned by rack-test, if any (Jeremy Evans #304)

• Minor enhancements:

  • rack-test now works with the rack main branch (what will be rack 3) (Jeremy Evans #280 #292)
  • rack-test only loads the parts of rack it uses when running on the rack main branch (what will be rack 3) (Jeremy Evans #292)
  • Development dependencies have been significantly reduced, and are now a subset of the development dependencies of rack itself (Jeremy Evans #292)
  • Avoid creating multiple large copies of uploaded file data in memory (Jeremy Evans #286)
  • Specify HTTP/1.0 when submitting requests, to avoid responses with Transfer-Encoding: chunked (Jeremy Evans #288)
  • Support :query_params in rack environment for parameters that are appended to the query string instead of used in the request body (Jeremy Evans #150 #287)
  • Reduce required ruby version to 2.0, since tests run fine on Ruby 2.0 (Jeremy Evans #292)
  • Support :multipart env key for request methods to force multipart input (Jeremy Evans #303)
  • Force multipart input for request methods if content type starts with multipart (Jeremy Evans #303)

... (truncated)

Commits

• ab9ba9c Release 2.0.0
• db68e09 Update release instructions
• e917654 Add metadata to gemspec
• faacaff Fix typos in History since 1.1.0
• 3ffbd61 Remove whitespace rake task
• 9589190 Avoid undefined instance variable warning on Ruby 2.x
• 70624da Switch to more common frozen string literal magic comment
• 1208ddc Update History
• 551fd05 Double the speed for Utils.build_nested_query for handling large arrays
• 1ffd860 Use a buffer based approach for building multipart bodies
• Additional commits viewable in compare view

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