Disable env var collection test on Windows

See microsoft#128710

extensions/vscode-api-tests/src/singlefolder-tests/terminal.test.ts

@@ -6,6 +6,7 @@
 import { window, Pseudoterminal, EventEmitter, TerminalDimensions, workspace, ConfigurationTarget, Disposable, UIKind, env, EnvironmentVariableMutatorType, EnvironmentVariableMutator, extensions, ExtensionContext, TerminalOptions, ExtensionTerminalOptions, Terminal } from 'vscode';
 import { doesNotThrow, equal, deepEqual, throws, strictEqual } from 'assert';
 import { assertNoRpc } from '../utils';
+import * as os from 'os';
 
 // Disable terminal tests:
 // - Web https://github.com/microsoft/vscode/issues/92826
@@ -669,7 +670,8 @@ import { assertNoRpc } from '../utils';
 		});
 
 		suite('environmentVariableCollection', () => {
-			test('should have collection variables apply to terminals immediately after setting', (done) => {
+			// https://github.com/microsoft/vscode/issues/128710
+			(os.platform() === 'win32' ? test.skip : test)('should have collection variables apply to terminals immediately after setting', (done) => {
 				// Text to match on before passing the test
 				const expectedText = [
 					'~a2~',