diff --git a/tests/specific/test_devenv.py b/tests/specific/test_devenv.py
new file mode 100644
index 00000000..96120787
--- /dev/null
+++ b/tests/specific/test_devenv.py
@@ -0,0 +1,16 @@
+import pytest
+
+
+@pytest.fixture(autouse=True)
+def Popen(mocker):
+    mock = mocker.patch('thefuck.specific.devenv.Popen')
+    mock.return_value.stdout.readlines.return_value = (
+        b'--version\nactivate\ncommands\ncompletions\ndeactivate\nexec_\n'
+        b'global\nhelp\nhooks\ninit\ninstall\nlocal\nprefix_\n'
+        b'realpath.dylib\nrehash\nroot\nshell\nshims\nuninstall\nversion_\n'
+        b'version-file\nversion-file-read\nversion-file-write\nversion-name_\n'
+        b'version-origin\nversions\nvirtualenv\nvirtualenv-delete_\n'
+        b'virtualenv-init\nvirtualenv-prefix\nvirtualenvs_\n'
+        b'virtualenvwrapper\nvirtualenvwrapper_lazy\nwhence\nwhich_\n'
+    ).split()
+    return mock