#6772 add test notebook

test/notebooks/groovy/ShowNullExecutionResultTest.ipynb

@@ -0,0 +1,81 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "true"
+      ]
+     },
+     "execution_count": 1,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "null"
+      ]
+     },
+     "execution_count": 2,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult = true;\n",
+    "String seeNullString = null;\n",
+    "seeNullString"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "com.twosigma.beakerx.kernel.Kernel.showNullExecutionResult = false;\n",
+    "String noNullString = null;\n",
+    "noNullString"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Groovy",
+   "language": "groovy",
+   "name": "groovy"
+  },
+  "language_info": {
+   "codemirror_mode": "groovy",
+   "file_extension": ".groovy",
+   "mimetype": "",
+   "name": "Groovy",
+   "nbconverter_exporter": "",
+   "version": "2.4.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}