test(language-service): Move pipe tests to TEST_TEMPLATE (#36407)

This commit simplifies the completion tests for pipes by moving them to TEST_TEMPLATE.

PR Close #36407

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

@@ -39,10 +39,3 @@ export class PrivateReference {
 })
 export class ExpectNumericType {
 }
-
-@Component({
-  template: '{{ (name | lowercase).~{string-pipe}substring }}',
-})
-export class LowercasePipe {
-  name: string = 'name';
-}

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

@@ -21,7 +21,6 @@ import * as ParsingCases from './parsing-cases';
   declarations: [
     AppComponent,
     ExpressionCases.ExpectNumericType,
-    ExpressionCases.LowercasePipe,
     ExpressionCases.PrivateReference,
     ExpressionCases.WrongFieldReference,
     ExpressionCases.WrongSubFieldReference,
@@ -38,7 +37,6 @@ import * as ParsingCases from './parsing-cases';
     ParsingCases.HintModel,
     ParsingCases.NoValueAttribute,
     ParsingCases.NumberModel,
-    ParsingCases.Pipes,
     ParsingCases.References,
     ParsingCases.StringModel,
     ParsingCases.TemplateReference,
@@ -51,4 +49,4 @@ export class AppModule {
 
 declare function bootstrap(v: any): void;
 
-    bootstrap(AppComponent);
+bootstrap(AppComponent);

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

@@ -31,13 +31,6 @@ export class CaseMissingClosing {
 export class CaseUnknown {
 }
 
-@Component({
-  template: '<h1>{{data | ~{before-pipe}lowe~{in-pipe}rcase~{after-pipe} }}',
-})
-export class Pipes {
-  data = 'Some string';
-}
-
 @Component({
   template: '<h1 h~{no-value-attribute}></h1>',
 })
@@ -175,7 +168,7 @@ export class TemplateReference {
   myClick(event: any) {}
   birthday = new Date();
   readonlyHeroes: ReadonlyArray<Readonly<Hero>> = this.heroes;
-  constNames = [{name: 'name'}] as const ;
+  constNames = [{name: 'name'}] as const;
 }
 
 @Component({