Speedup tests by running them parallel

requirements-dev.txt

@@ -11,5 +11,7 @@ py
 pytest
 pytest-cov
 pytest-mock
+pytest-xdist
+psutil
 responses
 tox>=3.0.0

setup.cfg

@@ -14,6 +14,8 @@ addopts =
     --cov flaskbb
     --cov-config setup.cfg
     --cov-append
+    --numprocesses auto
+    --dist load
 norecursedirs = node_modules
 
 [tool:isort]
@@ -55,8 +57,8 @@ exclude =
 branch = true
 source = flaskbb
 omit =
-    flaskbb/_compat.py
     flaskbb/configs/*
+    flaskbb/migrations/*
 parallel = true
 
 [coverage:paths]