Add missing test notebook and changelog

Author: krassowski

CHANGELOG.md

@@ -1,5 +1,19 @@
 ## CHANGELOG
 
+### `@krassowski/jupyterlab-lsp 3.3.0` (unreleased)
+
+- features:
+
+  - added a timeout for kernel completion, with the default of 600ms ([#496])
+  - added an option to skip waiting for kernel completions if busy, off by default ([#496])
+
+- bug fixes:
+
+  - delayed completion suggestions will no longer show up if cursor moved to another line ([#496])
+  - changes in notebooks after kernel restart or file rename will now be recorded by the language server again ([#496])
+
+[#496]: https://github.com/krassowski/jupyterlab-lsp/pull/496
+
 ### `@krassowski/jupyterlab-lsp 3.2.0` (2021-01-24)
 
 - features:

atest/examples/Empty.ipynb

@@ -0,0 +1,32 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}