Moved to tox

Some repos were not migrated to Python3
and installed python2.7 and python3 causes mixes
package versions in several  virtualenv's

Change-Id: I00fc5c88609a6da3ae6ae3bb761e2ec003f66db2
Related-Prod:#PROD-34723(PROD:34723)
diff --git a/test_set/tox.ini b/test_set/tox.ini
new file mode 100644
index 0000000..b68781e
--- /dev/null
+++ b/test_set/tox.ini
@@ -0,0 +1,26 @@
+[tox]
+envlist = cvp-sanity,cvp-spt,cvp-stacklight
+skipsdist = TRUE
+deps = pip==20.0.2
+       setuptools
+       wheel
+
+[testenv]
+passenv = *
+commands = {posargs:pytest --version}
+
+[testenv:cvp-sanity]
+basepython = python3.5
+deps = -rcvp-sanity/requirements.txt
+changedir = cvp-sanity
+
+[testenv:cvp-spt]
+basepython = python2.7
+deps = -rcvp-spt/requirements.txt
+changedir = cvp-spt
+
+[testenv:cvp-stacklight]
+basepython = python2.7
+install_command = python -m pip install cvp-stacklight/stacklight-pytest {packages}
+deps = -rcvp-stacklight/stacklight-pytest/requirements.txt
+changedir = cvp-stacklight