Add additional teaching bubbles in Quickstart (#1407)

* Add additional teaching bubbles in Quickstart

* Run npm format

* Fix lint error

* Add unit tests

* Add Mongo teaching bubbles for Try CosmosDB and Launch full screen

* Add additional tests for UrlUtility

* Run npm format

* Add tests for Notebook Utils

src/Explorer/Notebook/NotebookComponent/InMemoryContentProviderUtils.test.ts

@@ -0,0 +1,23 @@
+import * as InMemoryContentProviderUtils from "./ContentProviders/InMemoryContentProviderUtils";
+
+describe("fromContentUri", () => {
+  it("fromContentUri should return valid result", () => {
+    const contentUri = "memory://resource/path";
+    const result = "resource";
+
+    expect(InMemoryContentProviderUtils.fromContentUri(contentUri)).toEqual(result);
+  });
+
+  it("fromContentUri should return undefined on invalid input", () => {
+    const contentUri = "invalid";
+
+    expect(InMemoryContentProviderUtils.fromContentUri(contentUri)).toEqual(undefined);
+  });
+
+  it("toContentUri should return valid result", () => {
+    const path = "resource/path";
+    const result = "memory://resource/path";
+
+    expect(InMemoryContentProviderUtils.toContentUri(path)).toEqual(result);
+  });
+});