front: fix missing await statements for asynchronous calls

front/.eslintrc

@@ -154,6 +154,12 @@
       "rules": {
         "@typescript-eslint/no-explicit-any": ["error", { "fixToUnknown": true }]
       }
+    },
+    {
+      "files": ["tests/**/*.ts", "tests/**/*.tsx"],
+      "rules": {
+        "@typescript-eslint/no-floating-promises": "error"
+      }
     }
   ]
 }

front/tests/004-scenario-management.spec.ts

@@ -24,7 +24,7 @@ test.describe('Validate the Scenario creation workflow', () => {
   });
 
   test.afterAll('Delete the electrical profile', async () => {
-    deleteApiRequest(`/api/electrical_profile_set/${electricalProfileSet.id}/`);
+    await deleteApiRequest(`/api/electrical_profile_set/${electricalProfileSet.id}/`);
   });
 
   /** *************** Test 1 **************** */

front/tests/pages/op-simulation-settings-page-model.ts

@@ -28,7 +28,7 @@ class OperationalStudiesSimulationSettingsPage {
   // Deactivate electrical profiles switch
   async deactivateElectricalProfile() {
     await this.electricalProfilesSwitch.setChecked(false, { force: true });
-    expect(this.electricalProfilesSwitch).not.toBeChecked();
+    await expect(this.electricalProfilesSwitch).not.toBeChecked();
   }
 
   async activateLinearMargin() {

front/tests/pages/op-timetable-page-model.ts

@@ -152,7 +152,7 @@ class OperationalStudiesTimetablePage extends CommonPage {
   // Verify that the imported train number is correct
   async verifyTrainCount(trainCount: number): Promise<void> {
     await this.page.waitForLoadState('networkidle');
-    expect(this.timetableTrains).toHaveCount(trainCount);
+    await expect(this.timetableTrains).toHaveCount(trainCount);
   }
 
   // Filter trains validity and verify their count

front/tests/pages/operational-studies-page-model.ts

@@ -99,7 +99,7 @@ class OperationalStudiesPage extends CommonPage {
   }
 
   async checkTrainHasBeenAdded() {
-    this.checkLastToastTitle(trainAddedTranslation);
+    await this.checkLastToastTitle(trainAddedTranslation);
   }
 
   async returnSimulationResult() {