fix(e2e): solver: wrong 'empty field' option value

refs #601

e2e/solveur.e2e-spec.ts

@@ -377,8 +377,8 @@ describe("Solveur - nghyd#601 without empty fields option", () => {
     });
 
     it(" with empty fields option, check selecting a target module does not fill inputs", async () => {
-        // disable evil option "empty fields on module creation"
-        await prefPage.setEmptyFields(false);
+        // enable evil option "empty fields on module creation"
+        await prefPage.setEmptyFields(true);
         await browser.sleep(200);
 
         await navBar.clickNewCalculatorButton();
@@ -399,7 +399,7 @@ describe("Solveur - nghyd#601 without empty fields option", () => {
 
         // select other target module
         const ntc = calcPage.getSelectById("select_target_nub");
-        await calcPage.changeSelectValue(ntc, 1);
+        await changeSelectValue(ntc, 1);
 
         // check target value input is empty
         await calcPage.checkEmptyInput("Ytarget", true);