Fixed tests for latest (next) typescript version

See microsoft/TypeScript#57681

Author: timocov

tests/e2e/test-cases/declare-module-in-internal-files/input.ts

@@ -1,6 +1,6 @@
 // this test case comes from Dexie.js
 
-/// <reference path="./ambient-module-declaration.d.ts" />
+/// <reference path="./ambient-module-declaration.d.ts" preserve="true" />
 
 import { ModuleWithoutQuotes } from 'fake-package';
 

tests/e2e/test-cases/extend-other-module-complex/input.ts

@@ -1,6 +1,6 @@
 // we need to add this to add `extender.d.ts` to list of files to bundle the types after compilation for dts
-/// <reference path="./extender.ts" />
-/// <reference path="./internal-extender/extender.d.ts" />
+/// <reference path="./extender.ts" preserve="true" />
+/// <reference path="./internal-extender/extender.d.ts" preserve="true" />
 
 import { SomeInterface } from './extendable-module';
 import { justFunction } from './extender';

tests/e2e/test-cases/import-from-types-cause-reference-types/extended-data.ts

@@ -1,4 +1,4 @@
-/// <reference types="fake-types-lib-2" />
+/// <reference types="fake-types-lib-2" preserve="true" />
 
 import { Data } from 'fake-types-lib-2.5';
 

tests/e2e/test-cases/import-from-types-cause-reference-types/input.ts

@@ -1,4 +1,4 @@
-/// <reference types="node" />
+/// <reference types="node" preserve="true" />
 
 import { EventEmitter } from 'events';