diff --git a/.vscode/settings.json b/.vscode/settings.json
index c01d446..b7a013d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,5 +3,14 @@
     "python.analysis.diagnosticSeverityOverrides": {
         "reportUndefinedVariable": "none",
         "reportMissingImports": "none"
-    }
+    },
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        "./src",
+        "-p",
+        "*_test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true
 }
\ No newline at end of file
diff --git a/src/client_demo.py b/src/client_demo.py
deleted file mode 100644
index 8ca0a3b..0000000
--- a/src/client_demo.py
+++ /dev/null
@@ -1,4 +0,0 @@
-from tpre import *
-
-# local {"pkx":"110913495319893280527511520027612816833094668640322629943553195742251267532611","pky":"42442813417048462506373786007682778510807282038950736216326706485290996455738"}
-# pkb (110913495319893280527511520027612816833094668640322629943553195742251267532611,42442813417048462506373786007682778510807282038950736216326706485290996455738
diff --git a/src/client_test.py b/src/client_test.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/node_test.py b/src/node_test.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/server_test.py b/src/server_test.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/tpre_test.py b/src/tpre_test.py
new file mode 100644
index 0000000..e69de29