Update puppeteer

docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   grpcweb-server:
     build:

examples/Container/docker-compose.yml

@@ -1,4 +1,3 @@
-version: '3'
 services:
   container-frontend:
     build:

testassets/InteropTestsGrpcWebWebsite/Tests/custom-environment.js

@@ -1,20 +1,29 @@
 const JestPuppeteerEnvironment = require("jest-environment-puppeteer").TestEnvironment;
+
+// expect-puppeteer requires jest's expect to be on the global object.
+// If the global object isn't populated then there is a null reference error in expect-puppeteer.
+global.expect = require('expect').expect;
 const expect = require('expect-puppeteer').expect;
 
 class CustomEnvironment extends JestPuppeteerEnvironment {
     // Load page and get test names to run
     async setup() {
         await super.setup();
 
+        // Workaround puppeteer bug: https://github.com/argos-ci/jest-puppeteer/issues/586
+        if (this.global.context.isIncognito === undefined) {
+            this.global.context.isIncognito = () => false;
+        }
+
         console.log('Calling gRPC-Web client app');
 
         var page = this.global.page;
         await page.goto('http://localhost:8081', { waitUntil: 'networkidle0' });
 
-        // Wait for Blazor to finish loading
+        // Wait for Blazor to finish loading.
         await expect(page).toMatchTextContent('gRPC-Web interop tests');
 
-        // Get test names
+        // Get test names.
         this.global.__GRPC_WEB_TEST_NAMES__ = await page.evaluate(() => getTestNames('GrpcWeb'));
         this.global.__GRPC_WEB_TEXT_TEST_NAMES__ = await page.evaluate(() => getTestNames('GrpcWebText'));
    }