Install custom pkgs

Author: navinsoni

tox.ini

@@ -67,6 +67,7 @@ passenv =
 # {posargs} can be passed in by additional arguments specified when invoking tox.
 # Can be used to specify which tests to run, e.g.: tox -- -s
 commands =
+    python -c "import os; os.system('install-custom-pkgs --install-boto-wheels')"
     pytest --cov=sagemaker --cov-append {posargs}
     {env:IGNORE_COVERAGE:} coverage report -i --fail-under=86
 deps = .[test]