test: avoid newline-specific assertions in formatting e2e test

Avoid hardcoding LF (`\n`) line endings in `formatting.ts` assertions so the test passes on Windows CI where CRLF (`\r\n`) line endings may be emitted.

Author: alan-agius4

tests/e2e/tests/generate/formatting.ts

@@ -9,21 +9,21 @@ export default async function () {
     await writeFile('src/untouched.ts', untouched);
     await writeFile('.prettierrc', JSON.stringify({ singleQuote: true, semi: false }));
     await ng('generate', 'service', 'prettier-only', '--skip-tests');
-    await expectFileToMatch('src/app/prettier-only.ts', "from '@angular/core'\n");
+    await expectFileToMatch('src/app/prettier-only.ts', "from '@angular/core'");
 
     // Distinct configurations make the selected formatter observable when both are installed.
     await installPackage('oxfmt');
     await writeFile('.oxfmtrc.json', JSON.stringify({ singleQuote: false, semi: false }));
     await ng('generate', 'service', 'both-formatters', '--skip-tests');
-    await expectFileToMatch('src/app/both-formatters.ts', "from '@angular/core'\n");
+    await expectFileToMatch('src/app/both-formatters.ts', "from '@angular/core'");
 
     await uninstallPackage('prettier');
     await ng('generate', 'service', 'oxfmt-only', '--skip-tests');
-    await expectFileToMatch('src/app/oxfmt-only.ts', 'from "@angular/core"\n');
+    await expectFileToMatch('src/app/oxfmt-only.ts', 'from "@angular/core"');
 
     await uninstallPackage('oxfmt');
     await ng('generate', 'service', 'no-formatter', '--skip-tests');
-    await expectFileToMatch('src/app/no-formatter.ts', "from '@angular/core';\n");
+    await expectFileToMatch('src/app/no-formatter.ts', "from '@angular/core';");
 
     assert.equal(await readFile('src/untouched.ts'), untouched);
   } finally {