Update tox.ini

Author: zhenlineo

tox.ini

@@ -6,7 +6,6 @@ envlist =
     py36
 
 [testenv]
-passenv = *
 deps =
     -rrequirements.txt
     -rtest/requirements.txt
@@ -18,6 +17,7 @@ passenv =
     TEAMCITY_HOST
     TEAMCITY_USER
     TEAMCITY_PASSWORD
+    JAVA_HOME
 commands =
     python setup.py develop
     coverage erase