Bump pytest from 5.4.3 to 6.0.1

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.4.3 to 6.0.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/5.4.3...6.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements-tests.txt

@@ -34,6 +34,7 @@ gitdb==4.0.4              # via gitpython
 gitpython==3.1.1          # via bandit
 idna==2.8                 # via moto, requests
 importlib-metadata==1.6.0  # via jsonpickle
+iniconfig==1.0.1          # via pytest
 itsdangerous==1.1.0       # via flask
 jinja2==2.11.2            # via flask, moto
 jmespath==0.9.5           # via boto3, botocore
@@ -52,7 +53,7 @@ packaging==20.3           # via pytest
 pathspec==0.8.0           # via black
 pbr==5.4.5                # via stevedore
 pluggy==0.13.1            # via pytest
-py==1.8.1                 # via pytest
+py==1.9.0                 # via pytest
 pyasn1==0.4.8             # via python-jose, rsa
 pycparser==2.20           # via cffi
 pyflakes==2.2.0           # via -r requirements-tests.in
@@ -60,7 +61,7 @@ pyparsing==2.4.7          # via packaging
 pyrsistent==0.16.0        # via jsonschema
 pytest-flask==1.0.0       # via -r requirements-tests.in
 pytest-mock==3.2.0        # via -r requirements-tests.in
-pytest==5.4.3             # via -r requirements-tests.in, pytest-flask, pytest-mock
+pytest==6.0.1             # via -r requirements-tests.in, pytest-flask, pytest-mock
 python-dateutil==2.8.1    # via botocore, faker, freezegun, moto
 python-jose==3.1.0        # via moto
 pytz==2019.3              # via moto
@@ -78,10 +79,9 @@ sortedcontainers==2.1.0   # via fakeredis
 sshpubkeys==3.1.0         # via moto
 stevedore==1.32.0         # via bandit
 text-unidecode==1.3       # via faker
-toml==0.10.0              # via black
+toml==0.10.0              # via black, pytest
 typed-ast==1.4.1          # via black
 urllib3==1.25.8           # via botocore, requests
-wcwidth==0.1.9            # via pytest
 websocket-client==0.57.0  # via docker
 werkzeug==1.0.1           # via flask, moto, pytest-flask
 wrapt==1.12.1             # via aws-xray-sdk