update puppeteer to use setContent with wait and housekeeping the declaration files

test.d.ts

@@ -1,22 +1,3 @@
-declare module 'rollup-plugin-typescript' {
-  function typescript(): any;
-  export = typescript;
-}
-
-declare module 'rollup-plugin-node-resolve' {
-  function resolve(): any;
-  export = resolve;
-}
-
-declare module 'rollup-plugin-terser' {
-  export function terser(options?: any): any;
-}
-
-declare module 'rollup-plugin-postcss' {
-  function postcss(options?: any): any;
-  export = postcss;
-}
-
 declare module 'jest-snapshot' {
   export class SnapshotState {
     constructor(testFile: string, options: any);