tests always installed

[mattiaverga]

Running pip install graphql-server will also install tests, but it shouldn't.

[mattiaverga]

graphql-server/setup.py

Line 81 in 5b7f5de

packages=find_packages(exclude=["tests"]),

should be exclude=["tests", "tests.*"]

[KingDarBoja]

Released a new beta version v3.0.0b3 with the fix along with the Quart server support.