* FIx-up type hints in tests.logging.
* Add missing type hints to test_transactions.

Adds type hints to tests.metrics and tests.crypto.

And do not allow untyped defs in tests.handlers.

* Declare new config

* Parse new config

* Read new config

* Don't use trial/our TestCase where it's not needed

Before:

```
$ time trial tests/events/test_utils.py > /dev/null

real	0m2.277s
user	0m2.186s
sys	0m0.083s
```

After:
```
$ time trial tests/events/test_utils.py > /dev/null

real	0m0.566s
user	0m0.508s
sys	0m0.056s
```

* Helper to upsert to event fields

without exceeding size limits.

* Use helper when adding invite/knock state

Now that we allow admins to include events in prejoin room state with
arbitrary state keys, be a good Matrix citizen and ensure they don't
accidentally create an oversized event.

* Changelog

* Move StateFilter tests

should have done this in #14668

* Add extra methods to StateFilter

* Use StateFilter

* Ensure test file enforces typed defs; alphabetise

* Workaround surprising get_current_state_ids

* Whoops, fix mypy

* Enable `--warn-redundant-casts` option in mypy

Doesn't do much but helps me sleep better at night.

* Changelog

* Fix name of the ignore

* Fix one more missed cast

Not sure why I didn't see this one locally, maybe I needed a poetry update

* Remove old comment

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

Adds missing type hints to `tests.storage` package
and does not allow untyped definitions.

Removes files under tests.util from the ignored by list, then
fully types all tests/util/*.py files.

This commit adds support for handling a provided avatar picture URL
when logging in via SSO.

Signed-off-by: Ashish Kumar <ashfame@users.noreply.github.com>

Fixes #9357.

* Add tests for StreamIdGenerator

* Drive-by: annotate all defs

* Revert "Revert "Remove slaved id tracker (#14376)" (#14463)"

This reverts commit d63814fd, which in
turn reverted 36097e88. This restores
the latter.

* Fix StreamIdGenerator not handling unpersisted IDs

Spotted by @erikjohnston.

Closes #14456.

* Changelog

Co-authored-by: Nick Mills-Barrett <nick@fizzadar.com>
Co-authored-by: Erik Johnston <erik@matrix.org>

Use Pydantic to systematically validate a first batch of endpoints in `synapse.rest.client.account`. (#13188)

After this change `synapse.logging` is fully typed.

* Cast to postgres types when handling postgres db

* Remove unused method

* Easy annotations

* Annotate create_room

* Use `ParamSpec` to annotate looping_call

* Annotate `default_config`

* Track `now` as a float

`time_ms` returns an int like the proper Synapse `Clock`

* Introduce a `Timer` dataclass

* Introduce a Looper type

* Suppress checking of a mock

* tests.utils is typed

* Changelog

* Whoops, import ParamSpec from typing_extensions

* ditch the psycopg2 casts

Completes type hints for synapse.logging.scopecontextmanager and (partially)
for synapse.logging.opentracing.

Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com>

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

Co-authored-by: David Robertson <david.m.robertson1@gmail.com>

Co-authored-by: Sean Quah <8349537+squahtx@users.noreply.github.com>