#33 Correct failed test following 27e9dfe6

spec/pab/pab.spec.ts

@@ -183,7 +183,7 @@ describe("Class Pab: ", () => {
             pab.calculatedParam = pab.prms.Z1;
             checkPabResults(pab, 78.27);
         });
-        it("Calc(Q) should return 0.773", () => {
+        it("CalcSerie(Q) should return 0.773", () => {
             pab.calculatedParam = pab.prms.Q;
             checkPabResults(pab, 0.773);
         });

src/pab/cloison_aval.ts

@@ -54,7 +54,7 @@ export class CloisonAval extends ParallelStructure {
                 s.prms.ZDV.v = s.prms.maxZDV.v;
             }
         }
-        if (this._result === undefined || this._result.ok) {
+        if (!this.hasVanneLevante() || this.result.ok) {
             // Calculation of Z1 with the new ZDV in case of existing vanne levante
             this.currentResult = super.Calc("Z1", rInit);
             if (this.result.ok) {
@@ -74,7 +74,7 @@ export class CloisonAval extends ParallelStructure {
                 }
             }
         }
-        return this._result;
+        return this.result;
     }
 
     /**