Add more and unify tests for absent object cases

- Unify test data for nonexistence of an object/string and collection.
- Introduce more test through adding missing test data to existing tests.
- Improve logic for checking absence of values to match tests.
- Add missing tests for absent value validation.
- Update documentation to include shared test functionality.

src/application/ApplicationFactory.ts

@@ -13,7 +13,7 @@ export class ApplicationFactory implements IApplicationFactory {
 
   protected constructor(costlyGetter: ApplicationGetterType) {
     if (!costlyGetter) {
-      throw new Error('undefined getter');
+      throw new Error('missing getter');
     }
     this.getter = new AsyncLazy<IApplication>(() => Promise.resolve(costlyGetter()));
   }