[dart][dart-dio-next] Authentication fixes and improvements (!9975) · Merge requests · OpenAPI Tools / openapi-generator

update http mock test library
correctly map authentication by type and scheme
add new authentication interceptor for bearer scheme - this currently does the same as the OAuth interceptor
add tests for all authentication types except OAuth
use temporary test library branch until new fixes and features get merge there

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CC @swipesight (2018/09) @jaumard (2018/09) @josh-burton (2019/12) @amondnet (2019/12) @sbu-WBT (2020/12) @kuhnroyal (2020/12) @agilob (2020/12)