Update e2e calculate-all-params for PreBarrage

e2e/calculate-all-params.e2e-spec.ts

@@ -2,7 +2,7 @@ import { ListPage } from "./list.po";
 import { CalculatorPage } from "./calculator.po";
 import { Navbar } from "./navbar.po";
 import { PreferencesPage } from "./preferences.po";
-import { browser } from "protractor";
+import { browser, element, by, ElementFinder } from "protractor";
 import { testedCalcTypes } from "./tested_calctypes";
 
 /**