Add root conda environment to expected output

tests/conda/simple-py2/verify

@@ -13,7 +13,7 @@ assert sorted(specs) == ['python2', 'python3'], specs.keys()
 import json
 from subprocess import check_output
 envs = json.loads(check_output(['conda', 'env', 'list', '--json']).decode('utf8'))
-assert envs == {'envs': ['/srv/conda/envs/kernel']}, envs
+assert envs == {'envs': ['/srv/conda', '/srv/conda/envs/kernel']}, envs
 
 pkgs = json.loads(check_output(['conda', 'list', '-n', 'kernel', '--json']).decode('utf8'))
 pkg_names = [pkg['name'] for pkg in pkgs]