diff --git a/e2e/calculator.po.ts b/e2e/calculator.po.ts
index 64c8ae5bcb93b331b0ebb41ac8377bfc3374fa63..ee185aaa7edf94f01e03acb3fcbfe63d09108acc 100644
--- a/e2e/calculator.po.ts
+++ b/e2e/calculator.po.ts
@@ -356,6 +356,17 @@ export class CalculatorPage {
         return style.indexOf("color: red;") !== -1;
     }
 
+    /**
+     * return true if the nth log entry is a warning
+     */
+    async nthLogEntryIsWarning(n: number) {
+        const errs = await $$("log-entry");
+        const e = errs[n];
+        const icon = await e.$("div mat-icon");
+        const style = await icon.getAttribute("style");
+        return style.indexOf("color: orange;") !== -1;
+    }
+
     async clickSaveCalcButton() {
         await scrollPageToTop();
         return await $("#save-calc").click();
diff --git a/e2e/parallel-structures.e2e-spec.ts b/e2e/parallel-structures.e2e-spec.ts
index 54ebb02952312ad799e8a46d01de02c1611f098a..d60f76076a9fe0079fde595d7049a3d43aaab9db 100644
--- a/e2e/parallel-structures.e2e-spec.ts
+++ b/e2e/parallel-structures.e2e-spec.ts
@@ -8,101 +8,102 @@ import { SideNav } from "./sidenav.po";
 import { browser, $, $$, expect } from '@wdio/globals'
 
 describe("Parallel structures - ", () => {
-    let startPage: AppPage;
-    let listPage: ListPage;
-    let navBar: Navbar;
-    let calcPage: CalculatorPage;
-    let prefPage: PreferencesPage;
-    let sideNav: SideNav;
+        let startPage: AppPage;
+        let listPage: ListPage;
+        let navBar: Navbar;
+        let calcPage: CalculatorPage;
+        let prefPage: PreferencesPage;
+        let sideNav: SideNav;
 
-    beforeAll(() => {
-        startPage = new AppPage();
-        listPage = new ListPage();
-        navBar = new Navbar();
-        calcPage = new CalculatorPage();
-        prefPage = new PreferencesPage();
-        sideNav = new SideNav();
-    });
+        beforeAll(() => {
+                startPage = new AppPage();
+                listPage = new ListPage();
+                navBar = new Navbar();
+                calcPage = new CalculatorPage();
+                prefPage = new PreferencesPage();
+                sideNav = new SideNav();
+        });
 
-    beforeEach(async () => {
-        // disable evil option "empty fields on module creation"
-        await prefPage.navigateTo();
-        await prefPage.disableEvilEmptyFields();
-        await browser.pause(200);
-    });
+        beforeEach(async () => {
+                // disable evil option "empty fields on module creation"
+                await prefPage.navigateTo();
+                await prefPage.disableEvilEmptyFields();
+                await browser.pause(200);
+        });
 
-    it("check calculated parameter remains the same when copying a structure", async () => {
-        // open "fish ladder: cross walls" calculator
-        await navBar.clickNewCalculatorButton();
-        await browser.pause(200);
-        await listPage.clickMenuEntryForCalcType(10);
-        await browser.pause(200);
+        it("check calculated parameter remains the same when copying a structure", async () => {
+                // open "fish ladder: cross walls" calculator
+                await navBar.clickNewCalculatorButton();
+                await browser.pause(200);
+                await listPage.clickMenuEntryForCalcType(10);
+                await browser.pause(200);
 
-        // check L in first structure calc toggle is not checked
-        const L1 = await calcPage.getInputById("0_L");
+                // check L in first structure calc toggle is not checked
+                const L1 = await calcPage.getInputById("0_L");
 
-        // const h11 = calcPage.getInputById("0_h1");
+                // const h11 = calcPage.getInputById("0_h1");
 
-        // set L to calculated in first structure
-        await calcPage.setParamMode(L1, "cal");
-        await browser.pause(500);
+                // set L to calculated in first structure
+                await calcPage.setParamMode(L1, "cal");
+                await browser.pause(500);
 
-        // check L calc toggle is  checked
-        expect(await calcPage.inputIsInCalculatedMode(L1)).toBe(true);
+                // check L calc toggle is  checked
+                expect(await calcPage.inputIsInCalculatedMode(L1)).toBe(true);
 
-        // copy 1st structure
-        const copyStruct = await calcPage.getCopyStructureButton();
+                // copy 1st structure
+                const copyStruct = await calcPage.getCopyStructureButton();
 
-        await browser.execute(e => { e.click() }, copyStruct); // await copyStruct.click() fails with "element not interactable" error
-        await browser.pause(200);
+                await browser.execute(e => { e.click() }, copyStruct); // await copyStruct.click() fails with "element not interactable" error
+                await browser.pause(200);
 
-        await calcPage.closeSnackBar();
-        await browser.pause(200);
+                await calcPage.closeSnackBar();
+                await browser.pause(200);
 
-        // check L in first structure is still in "calc" state
-        expect(await calcPage.inputIsInCalculatedMode(L1)).toBe(true);
+                // check L in first structure is still in "calc" state
+                expect(await calcPage.inputIsInCalculatedMode(L1)).toBe(true);
 
-        // // check L in second structure is still in "fix" state
-        const L2 = await calcPage.getInputById("1_L");
-        expect(await calcPage.inputIsInFixedMode(L2)).toBe(true);
-    });
+                // // check L in second structure is still in "fix" state
+                const L2 = await calcPage.getInputById("1_L");
+                expect(await calcPage.inputIsInFixedMode(L2)).toBe(true);
+        });
 
-    //TODO à réactiver après fusion de #618 dans devel
-    xit("check submergence error", async () => {
-        await startPage.navigateTo();
-        await browser.pause(200);
+        it("check submergence error", async () => {
+                await startPage.navigateTo();
+                await browser.pause(200);
 
-        await loadSession(navBar, sideNav, "./session/session-erreur-ennoiement-614.json");
-        await browser.pause(1000);
+                await loadSession(navBar, sideNav, "./session/session-erreur-ennoiement-614.json");
+                await browser.pause(1000);
 
-        // first calculator
+                // first calculator
 
-        await navBar.clickCalculatorTab(0);
-        await browser.pause(200);
+                await navBar.clickCalculatorTab(0);
+                await browser.pause(200);
 
-        // run calculation
-        let btnCalc = await calcPage.getCalculateButton();
-        await btnCalc.click();
-        await browser.pause(500);
+                // run calculation
+                let btnCalc = await calcPage.getCalculateButton();
+                await btnCalc.click();
+                await browser.pause(500);
 
-        // check error message in log
-        expect(await calcPage.nbLogEntries()).toBe(1);
+                // check error message in log
+                expect(await calcPage.nbLogEntries()).toBe(2);
 
-        expect(await calcPage.nthLogEntryIsError(0)).toBe(true);
+                expect(await calcPage.nthLogEntryIsWarning(0)).toBe(true);
+                expect(await calcPage.nthLogEntryIsError(1)).toBe(true);
 
-        // second calculator
+                // second calculator
 
-        await navBar.clickCalculatorTab(1);
-        await browser.pause(200);
+                await navBar.clickCalculatorTab(1);
+                await browser.pause(200);
 
-        // run calculation
-        btnCalc = await calcPage.getCalculateButton();
-        await btnCalc.click();
-        await browser.pause(500);
+                // run calculation
+                btnCalc = await calcPage.getCalculateButton();
+                await btnCalc.click();
+                await browser.pause(500);
 
-        // check error message in log
-        expect(await calcPage.nbLogEntries()).toBe(1);
+                // check error message in log
+                expect(await calcPage.nbLogEntries()).toBe(2);
 
-        expect(await calcPage.nthLogEntryIsError(0)).toBe(true);
-    });
+                expect(await calcPage.nthLogEntryIsWarning(0)).toBe(true);
+                expect(await calcPage.nthLogEntryIsError(1)).toBe(true);
+        });
 });