Fix kb unit test

src/vs/workbench/services/keybinding/browser/keymapService.ts

@@ -153,6 +153,10 @@ export class BrowserKeyboardMapperFactoryBase {
 		return this._activeKeymapInfo && keymap && this._activeKeymapInfo.fuzzyEqual(keymap);
 	}
 
+	setUSKeyboardLayout() {
+		this._activeKeymapInfo = this.getUSStandardLayout();
+	}
+
 	setActiveKeyMapping(keymap: IKeyboardMapping | null) {
 		let matchedKeyboardLayout = this.getMatchedKeymapInfo(keymap);
 		if (matchedKeyboardLayout) {

src/vs/workbench/services/keybinding/test/browserKeyboardMapper.test.ts

@@ -110,7 +110,7 @@ suite('keyboard layout loader', () => {
 			},
 		}), true);
 
-		TestKeyboardMapperFactory.INSTANCE.setActiveKeyMapping(null);
+		TestKeyboardMapperFactory.INSTANCE.setUSKeyboardLayout();
 		assert.equal(TestKeyboardMapperFactory.INSTANCE.activeKeyboardLayout!.isUSStandard, true);
 	});
 
@@ -130,7 +130,7 @@ suite('keyboard layout loader', () => {
 			},
 		}), true);
 
-		TestKeyboardMapperFactory.INSTANCE.setActiveKeyMapping(null);
+		TestKeyboardMapperFactory.INSTANCE.setUSKeyboardLayout();
 		assert.equal(TestKeyboardMapperFactory.INSTANCE.activeKeyboardLayout!.isUSStandard, true);
 	});
 });
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