cleanup for collator tests

The proper use of data providers now make it much easier to add
addtional languages to the test

wrap sorting functions into their own class

adjust handling for greek characters. fixes #3188

This fixes an error in the case conversion table and removes "normal"
greek letters from the list of special characters. Mathematical symbols
based

adjust handling for greek characters. fixes #3188

This fixes an error in the case conversion table and removes "normal"
greek letters from the list of special characters. Mathematical symbols
based on greek letters are still considered special chars.

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skip redirect tests while httpbin is broken #3187

Until https://github.com/postmanlabs/httpbin/issues/617 is fixed or we
found an alternative, the redirect tests will be skipped.

use envvars in shebang

add unit tests for #3114

Changes to conform to PHP Code Style

New function lang_has_changed() as wrapper for _get_collator(TRUE).

Collator re-creation in unit test

fix the case lookup table. #3113

This readds a whole bunch of conversions that for some reason got lost
in the refactoring. No idea what happened there.

run all tests without mbstring support

The setup we had, where we tried to disable mbstring on a perclass basis
did not actually work because the define is set up in an early include
already.

Ideal

run all tests without mbstring support

The setup we had, where we tried to disable mbstring on a perclass basis
did not actually work because the define is set up in an early include
already.

Ideally we should probably make the check a static instead of a
constant.

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Documentation update

Minor changes.

Test class for sort without collator

Test class for sort with collator

fix tests for cached isAdmin/isManager

more tests and a fix for #3036

Exploding lines left dangling commas for the addresses. In addition the
$text variable was not reset properly later on leading to an additional
error.

added failing test for #3036

fix slash regression in toolbar signature #3045

disable update check by default during tests

This should speed up integration tests that use our TestRequest
mechanism

missed another unit test

fix test again

Remove height & weight defaults from video embeds

d'oh completely overlooked this

another fix

only pass around videoAtts if it's a video

try to make tests happy again

another try at fixing tests

Delete local.php.bak.php

more test fixes

one more (lol)

one more

add options & defaults to config, no* counterparts