Run Integration Tests in Browser (#1468)

* ci: Adds github actions testing for webpacked integration test

test/browser/browser-integration-test.ts

@@ -0,0 +1,30 @@
+import assert from 'assert'
+import puppeteer from 'puppeteer'
+
+describe("Browser Tests", () => {
+    it("Integration Tests", async () => {
+        const browser = await puppeteer.launch({"headless": true});
+        try {
+            const page = await browser.newPage().catch();    
+            await page.goto(`file:///${__dirname}/../localintegrationrunner.html`);    
+
+            await page.waitForFunction('document.querySelector("body").innerText.includes("submit multisigned transaction")');
+
+            const fails = await page.evaluate(() => {
+                return document.querySelector('.failures').textContent
+            })
+            const passes = await page.evaluate(() => {
+                return document.querySelector('.passes').textContent
+            })
+
+            assert.equal(fails, "failures: 0")
+            assert.notEqual(passes, "passes: 0")
+
+        } catch (err) {
+            console.log(err)
+            assert(false)
+        } finally {
+            await browser.close();
+        }
+    }).timeout(40000)
+})