test(language-service): Inline test cases in parsing-cases.ts (#36495)

This commit removes individual components from parsing-cases.ts and
colocate them with the actual tests. This makes the tests more readable.

PR Close #36495

packages/language-service/test/project/app/parsing-cases.ts

@@ -63,45 +63,6 @@ export class HintModel {
   hintChange: EventEmitter<string> = new EventEmitter();
 }
 
-interface Person {
-  name: string;
-  age: number;
-  street: string;
-}
-
-@Component({
-  template: `
-    <div *ngFor="let person of people | async">
-      {{person.~{async-person-name}name}}
-    </div>
-    <div *ngIf="promisedPerson | async as person">
-      {{person.~{promised-person-name}name}}
-    </div>
-  `,
-})
-export class AsyncForUsingComponent {
-  people: Promise<Person[]> = Promise.resolve([]);
-  promisedPerson: Promise<Person> = Promise.resolve({
-    name: 'John Doe',
-    age: 42,
-    street: '123 Angular Ln',
-  });
-}
-
-@Component({
-  template: `
-    <div #div>
-      <test-comp #test1>
-        {{~{test-comp-content}}}
-        {{test1.~{test-comp-after-test}name}}
-        {{div.~{test-comp-after-div}.innerText}}
-      </test-comp>
-    </div>
-    <test-comp #test2></test-comp>`,
-})
-export class References {
-}
-
 class CounterDirectiveContext<T> {
   constructor(public $implicit: T) {}
 }
@@ -121,8 +82,8 @@ export class CounterDirective implements OnChanges {
 }
 
 interface WithContextDirectiveContext {
-  $implicit: {implicitPerson: Person;};
-  nonImplicitPerson: Person;
+  $implicit: {implicitPerson: Hero;};
+  nonImplicitPerson: Hero;
 }
 
 @Directive({selector: '[withContext]'})
@@ -156,7 +117,9 @@ export class TemplateReference {
    */
   title = 'Some title';
   hero: Hero = {id: 1, name: 'Windstorm'};
+  heroP = Promise.resolve(this.hero);
   heroes: Hero[] = [this.hero];
+  heroesP = Promise.resolve(this.heroes);
   tupleArray: [string, Hero] = ['test', this.hero];
   league: Hero[][] = [this.heroes];
   heroesByName: {[name: string]: Hero} = {};
@@ -171,11 +134,3 @@ export class TemplateReference {
   constNames = [{name: 'name'}] as const;
   private myField = 'My Field';
 }
-
-@Component({
-  template: '{{~{empty-interpolation}}}',
-})
-export class EmptyInterpolation {
-  title = 'Some title';
-  subTitle = 'Some sub title';
-}