Fix test/lint

Author: Tyriar

src/browser/Terminal.test.ts

@@ -132,10 +132,10 @@ describe('Terminal', () => {
       term.write('\x1b]2;title\x07');
     });
     it('should fire the onBell event', (done) => {
-      term.onBell(e => {       
+      term.onBell(e => {
         done();
       });
-      term.write('\a');
+      term.write('\x07');
     });
   });
 

src/browser/Terminal.ts

@@ -1155,7 +1155,7 @@ export class Terminal extends CoreTerminal implements ITerminal {
     }
 
     this._onBell.fire();
-    
+
     // if (this._visualBell()) {
     //   this.element.classList.add('visual-bell-active');
     //   clearTimeout(this._visualBellTimer);

src/common/Types.d.ts

@@ -357,7 +357,6 @@ export interface IAnsiColorChangeEvent {
  */
 export interface IInputHandler {
   onTitleChange: IEvent<string>;
-  onRequestBell: IEvent<void>;
 
   parse(data: string | Uint8Array, promiseResult?: boolean): void | Promise<boolean>;
   print(data: Uint32Array, start: number, end: number): void;