Housekeeping: .env and fix unit tests

.env

@@ -0,0 +1,5 @@
+DIR=`dirname $0`
+if [ -z "$VIRTUAL_ENV" ] && [ -f $DIR/../venv.mitmproxy/bin/activate ]; then
+    echo "Activating mitmproxy virtualenv..."
+    source $DIR/../venv.mitmproxy/bin/activate
+fi

test/test_pathod.py

@@ -32,7 +32,7 @@ class TestTimeout(tutils.DaemonTests):
     def test_noweb(self):
         # FIXME: Add float values to spec language, reduce test timeout to
         # increase test performance
-        tutils.raises("server disconnect", self.pathoc, "get:/:p1,1")
+        tutils.raises(tcp.NetLibDisconnect, self.pathoc, "get:/:p1,1")
         assert self.d.last_log()["type"] == "timeout"