* add passing tests for fragment rewriting

* add failing fragment retention tests

* fire legacy `show` actions before standard ones

* skip failing tests

* remove extra line

* Add support of RFC5987 for Content-Disposition

For example, `attachement; filename*=UTF-8'ru'%D1%81%D0%B2%D0%B5%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F.xlsx` in result will be  `сведения.xlsx`.

* Test of support of RFC5987 in Content-Disposition

* deduplicate deep linking test cases

* clean up tests and base cases

* ref #3958, support utf16 fragments on the deeplink plugin
* put -> head for UTF16 operation
this is a temporary fix, eventually we will run out
of methods and need to use a new targeting strategy
* drop obsolete %20 decoder
* add full test suite for UTF16 operation
* use encodeURIComponent when setting hash
* drop obsolete test cases

* add tests for operation lacking an operationId
* add deep linking tests for tags/operationIds with underscores
* migrate from `_` to `%20` for deeplink hash whitespace escaping
* add backwards compatibility for `_` whitespace escaping
* update util unit tests

* add narrow e2e tests
* add failing system unit test
* break plugin object inheritance in combinePlugins
* style: add braces to if block
* drop unused `lodash.repeat` import
* remove deep-freeze from lockfile

* create AuthorizeBtnContainer

* remove Servers and AuthorizeBtn from Schemes' concern

* add AuthorizeBtnContainer to base

* strengthen OAS3 definitionsToAuthorize

* drop obsolete tests

* linter fixes

* improve: nest Servers within Schemes container

* linter fixes

Closes #4861

* housekeeping(autorelease): bump `swagger-client` when releasing
* Update .release-it.json

* add `release-it`

* `swagger-ui-testing`

* add automated-release npm script

* tweak GIT_TAG behavior and test command

* disable Cypress video recording

* Revert "`swagger-ui-testing`"

This reverts commit c3de2ec7.

* fix: tolerate callback parameter values in ParameterRow
* Update 4867.js

* release: 3.18.3
* Update package-lock.json

Follow up to #4598

* fix(deeplinking): expand containing tag when expanding an operation
* linter fixes
* tighten up test cases

* v3.18.2

* rebuild dist

* update e2e test path config

* `test/e2e` -> `test/e2e-selenium`

* add Cypress

* ESLint fixes

* MOAR cypress

* `integration` -> `tests`

* wire Cypress up to a hot e2e server

* add failing tests for #4537

* add petstore for future use

* don't tack `operations/` onto href path

* escape generated URL fragments

* Update package.json

* `test/e2e` -> `test/e2e-selenium`

* add Cypress

* ESLint fixes

* MOAR cypress

* `integration` -> `tests`

* wire Cypress up to a hot e2e server

* add failing tests for #4537

* Update package.json

* `test/e2e` -> `test/e2e-selenium`

* add Cypress

* ESLint fixes

* MOAR cypress

* `integration` -> `tests`

* wire Cypress up to a hot e2e server

* linter fixes

* don't run in CI

* Transform tag name of operations to get a valid html id even with multiple words in tags

* modify operation element ID escaping logic

* Wrong usage of https://lodash.com/docs/4.17.5#lowerCase

* Add basic tests about ResponseBody Content-Type

The nginx image contains a newer viersion on nginx