test(e2e): duplicate module, link parameter, close 1st module, duplicate

refs #571

e2e/link-to-deleted-module.e2e-spec.ts

 import { browser, by, element } from "protractor";
 import { CalculatorPage } from "./calculator.po";
+import { ListPage } from "./list.po";
 import { Navbar } from "./navbar.po";
 import { PreferencesPage } from "./preferences.po";
 
@@ -7,11 +8,13 @@ describe("linked parameter - ", () => {
     let calcPage: CalculatorPage;
     let prefPage: PreferencesPage;
     let navBar: Navbar;
+    let listPage: ListPage;
 
     beforeAll(() => {
         calcPage = new CalculatorPage();
         prefPage = new PreferencesPage();
         navBar = new Navbar();
+        listPage = new ListPage();
     });
 
     beforeEach(async () => {
@@ -52,4 +55,42 @@ describe("linked parameter - ", () => {
         const inpZ2 = calcPage.getInputById("Z2");
         expect(await calcPage.inputIsInFixedMode(inpZ2)).toBe(true);
     });
+
+    it("delete linked module and duplicate remaining one", async () => {
+        // open "fish ladder: fall" calculator
+        await listPage.clickMenuEntryForCalcType(12);
+        await browser.sleep(200);
+
+        // clone calculator
+        await calcPage.clickCloneCalcButton();
+        await browser.sleep(200);
+
+        // set DH in link mode
+        let inpDH = calcPage.getInputById("DH");
+        await calcPage.setParamMode(inpDH, "link");
+        await browser.sleep(200);
+
+        // close 1st calculator
+        await navBar.middleClickCalculatorTab(0);
+        await browser.sleep(200);
+
+        // check DH input is in "fixed" state in remaining calculator (not the aim of this test)
+        inpDH = calcPage.getInputById("DH");
+        expect(await calcPage.inputIsInFixedMode(inpDH)).toBe(true);
+
+        // set DH to calculated mode
+        await calcPage.setParamMode(inpDH, "cal");
+
+        // clone calculator
+        await calcPage.clickCloneCalcButton();
+        await browser.sleep(200);
+
+        // select 1st tab
+        await navBar.clickCalculatorTab(0);
+        await browser.sleep(500);
+
+        // check DH input is in "calc" mode
+        inpDH = calcPage.getInputById("DH");
+        expect(await calcPage.inputIsInCalculatedMode(inpDH)).toBe(true);
+    });
 });