Initial setup of unit tests

Author: Achal1607

vscode/.gitignore

@@ -2,4 +2,6 @@ nbcode
 node_modules
 out
 nbproject
-.vscode-test/
+.vscode-test/
+.nyc_output
+coverage/

vscode/.nycrc.json

@@ -0,0 +1,15 @@
+{
+    "extends": "@istanbuljs/nyc-config-typescript",
+    "reporter":[
+        "text",
+        "html",
+        "text-summary",
+        "cobertura"
+    ],
+    "all": true,
+    "cache": false,
+    "include": [
+        "src/**/*.ts", "out/**/*.js"
+    ],
+    "exclude": [ "src/test/**/*.ts", "out/test/**/*.js"]
+}