test(e2e): check results are not duplicated in baffle fishway: setup calculator

refs #535

e2e/duplicate-results.e2e-spec.ts

+import { browser } from "protractor";
+import { PreferencesPage } from "./preferences.po"
+import { Navbar } from "./navbar.po";
+import { ListPage } from "./list.po";
+import { CalculatorPage } from "./calculator.po";
+
+describe("ngHyd − check that results are not duplicated", () => {
+    let prefPage: PreferencesPage;
+    let navBar: Navbar;
+    let listPage: ListPage;
+    let calcPage: CalculatorPage;
+
+    beforeEach(async () => {
+        prefPage = new PreferencesPage();
+        listPage = new ListPage();
+        navBar = new Navbar();
+        calcPage = new CalculatorPage();
+
+        // disable evil option "empty fields on module creation"
+        await prefPage.navigateTo();
+        await browser.sleep(200);
+        await prefPage.disableEvilEmptyFields();
+        await browser.sleep(200);
+    });
+
+    it("in 'baffle fishway: setup' calculator", async () => {
+        // open baffle fishway setup calculator
+        await navBar.clickNewCalculatorButton();
+        await listPage.clickMenuEntryForCalcType(28);
+        await browser.sleep(200);
+
+        // run calculation
+        const calcButton = calcPage.getCalculateButton();
+        await calcButton.click();
+
+        // check result count
+        const fixRows = calcPage.getAllFixedResultsRows();
+        const nbRows = await fixRows.count();
+        console.log(nbRows);
+        expect(nbRows).toBe(24); // boundaries are included
+    });
+});