get button to work

src/browser/TestUtils.test.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { IDisposable, IMarker, ISelectionPosition, ILinkProvider } from 'xterm';
+import { IDisposable, IMarker, ISelectionPosition, ILinkProvider, IBufferDecorationOptions, IDecoration, IGutterDecorationOptions, IDecorationOptions } from 'xterm';
 import { IEvent, EventEmitter } from 'common/EventEmitter';
 import { ICharacterJoinerService, ICharSizeService, IMouseService, IRenderService, ISelectionService } from 'browser/services/Services';
 import { IRenderDimensions, IRenderer, IRequestRedrawEvent } from 'browser/renderer/Types';
@@ -102,6 +102,9 @@ export class MockTerminal implements ITerminal {
   public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
     throw new Error('Method not implemented.');
   }
+  public registerDecoration(decorationOptions: IBufferDecorationOptions | IGutterDecorationOptions): IDecoration | undefined {
+    throw new Error('Method not implemented.');
+  }
   public hasSelection(): boolean {
     throw new Error('Method not implemented.');
   }
@@ -290,6 +293,9 @@ export class MockRenderer implements IRenderer {
   public onDevicePixelRatioChange(): void { }
   public clear(): void { }
   public renderRows(start: number, end: number): void { }
+  public registerDecoration(decorationOptions: IBufferDecorationOptions | IGutterDecorationOptions): IDecoration {
+    throw new Error('Method not implemented.');
+  }
 }
 
 export class MockViewport implements IViewport {
@@ -419,6 +425,9 @@ export class MockRenderService implements IRenderService {
   public dispose(): void {
     throw new Error('Method not implemented.');
   }
+  public registerDecoration(decorationOptions: IDecorationOptions): IDecoration {
+    throw new Error('Method not implemented.');
+  }
 }
 
 export class MockCharacterJoinerService implements ICharacterJoinerService {