Setup for L0 Testcases (#8)

* Setup for L0 Testcases

* Issue Fix

* Issue Fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Review fix

* Install dependencies in all runs

* To get review on the approach of installing only dev-dep in case of releases

* Removed npm build, using just install

package.json

@@ -4,7 +4,9 @@
     "private": true,
     "main": "lib/run.js",
     "scripts": {
-        "build": "tsc --outDir .\\lib\\ --rootDir .\\src\\"
+        "build": "tsc --outDir .\\lib\\ --rootDir .\\src\\",
+        "test": "jest",
+        "test-coverage": "jest --coverage"
     },
     "keywords": [
         "actions",
@@ -21,6 +23,9 @@
     },
     "devDependencies": {
         "@types/node": "^12.0.4",
-        "typescript": "^3.5.2"
+        "typescript": "3.9.2",
+        "jest": "^26.0.1",
+        "@types/jest": "^25.2.2",
+        "ts-jest": "^25.5.1"
     }
 }