test(language-service): delete expression-cases.ts (#36468)

This commit deletes `expression-cases.ts` and moves the test cases to
inline expressions in TEST_TEMPLATE.

PR Close #36468

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

@@ -1,41 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
-import {Component} from '@angular/core';
-
-export interface Person {
-  name: string;
-  age: number;
-}
-
-@Component({
-  template: '{{~{start-foo}foo~{end-foo}}}',
-})
-export class WrongFieldReference {
-  bar = 'bar';
-}
-
-@Component({
-  template: '{{~{start-nam}person.nam~{end-nam}}}',
-})
-export class WrongSubFieldReference {
-  person: Person = {name: 'Bob', age: 23};
-}
-
-@Component({
-  template: '{{~{start-myField}myField~{end-myField}}}',
-})
-export class PrivateReference {
-  private myField = 'My Field';
-}
-
-@Component({
-  template: '{{~{start-mod}"a" ~{end-mod}% 2}}',
-})
-export class ExpectNumericType {
-}

packages/language-service/test/project/app/main.ts

@@ -9,9 +9,7 @@
 import {CommonModule} from '@angular/common';
 import {NgModule} from '@angular/core';
 import {FormsModule} from '@angular/forms';
-
 import {AppComponent} from './app.component';
-import * as ExpressionCases from './expression-cases';
 import * as NgForCases from './ng-for-cases';
 import * as NgIfCases from './ng-if-cases';
 import * as ParsingCases from './parsing-cases';
@@ -20,10 +18,6 @@ import * as ParsingCases from './parsing-cases';
   imports: [CommonModule, FormsModule],
   declarations: [
     AppComponent,
-    ExpressionCases.ExpectNumericType,
-    ExpressionCases.PrivateReference,
-    ExpressionCases.WrongFieldReference,
-    ExpressionCases.WrongSubFieldReference,
     NgForCases.UnknownEven,
     NgForCases.UnknownPeople,
     NgForCases.UnknownTrackBy,

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

@@ -169,6 +169,7 @@ export class TemplateReference {
   birthday = new Date();
   readonlyHeroes: ReadonlyArray<Readonly<Hero>> = this.heroes;
   constNames = [{name: 'name'}] as const;
+  private myField = 'My Field';
 }
 
 @Component({