Setup for L0 Testcases (#6)

* SetUp for L0 TestCases

* Issue Fix

* Issue Fix

* Issue Fix

* Issue Fix

* Issue Fix

* Issue Fix

* Review comments fix: run npm install only with our build, npm install only dev for releases

* Running code covrage only on PR of master and releases

__tests__/run.test.ts

@@ -0,0 +1,7 @@
+import { run } from '../src/run'
+
+describe('This is a placeholder for intial test cases, to be removed', () => {
+    test('Dummy test case', async () => {
+        await expect(run()).rejects.toThrow();
+    })
+})