Add some integration tests using puppeteer and Jasmine

* run with `gulp integrationtest`

test/integration/scripting_spec.js

@@ -0,0 +1,66 @@
+/* Copyright 2020 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+describe("Interaction", () => {
+  describe("in 160F-2019.pdf", () => {
+    let pages;
+
+    beforeAll(async () => {
+      pages = await Promise.all(
+        global.integrationSessions.map(async session => {
+          const page = await session.browser.newPage();
+          await page.goto(
+            `${global.integrationBaseUrl}?file=/test/pdfs/160F-2019.pdf`
+          );
+          await page.bringToFront();
+          await page.waitForSelector("#\\34 16R", {
+            timeout: 0,
+          });
+          return [session.name, page];
+        })
+      );
+    });
+
+    afterAll(async () => {
+      await Promise.all(
+        pages.map(async ([_, page]) => {
+          await page.close();
+        })
+      );
+    });
+
+    it("must format the field with 2 digits and leave field with a click", async () => {
+      await Promise.all(
+        pages.map(async ([name, page]) => {
+          await page.type("#\\34 16R", "3.14159", { delay: 200 });
+          await page.click("#\\34 19R");
+          const text = await page.$eval("#\\34 16R", el => el.value);
+          expect(text).withContext(`In ${name}`).toEqual("3,14");
+        })
+      );
+    });
+
+    it("must format the field with 2 digits and leave field with a TAB", async () => {
+      await Promise.all(
+        pages.map(async ([name, page]) => {
+          await page.type("#\\34 22R", "2.7182818", { delay: 200 });
+          await page.keyboard.press("Tab");
+          const text = await page.$eval("#\\34 22R", el => el.value);
+          expect(text).withContext(`In ${name}`).toEqual("2,72");
+        })
+      );
+    });
+  });
+});