Add Route Resolution Benchmarking to Unit Test (#1499)

* feat: add benchmark tester for route resolution and cleanup test warnings

Signed-off-by: Harsha Narayana <harsha2k4@gmail.com>

* feat: refactor sanic benchmark test util into fixtures

Signed-off-by: Harsha Narayana <harsha2k4@gmail.com>

tox.ini

@@ -16,6 +16,7 @@ deps =
     chardet<=2.3.0
     beautifulsoup4
     gunicorn
+    pytest-benchmark
 commands =
     pytest tests --cov sanic --cov-report= {posargs}
     - coverage combine --append
@@ -39,3 +40,7 @@ deps =
     pygments
 commands =
     python setup.py check -r -s
+
+[pytest]
+filterwarnings =
+    ignore:.*async with lock.* instead:DeprecationWarning