Improve clearSessionStorage timings

Hopefully it will solve the flakiness of test named "upgrade vfmodule
when upgraded already service, vnf and brother vfmodule" that fails on
missing test_api value which is set by setTestApiParamToGR()

Issue-ID: VID-647

Change-Id: I51ba95edf3a7535dec2715054f7f10564a7debe3
Signed-off-by: Ittay Stern <ittay.stern@att.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/vid-webpack-master/cypress/support/application/application.session.actions.ts b/vid-webpack-master/cypress/support/application/application.session.actions.ts
index 9126ae1a4..99d5d867a 100644
--- a/vid-webpack-master/cypress/support/application/application.session.actions.ts
+++ b/vid-webpack-master/cypress/support/application/application.session.actions.ts
@@ -25,8 +25,8 @@ function getReduxState(): Chainable<any> {
   });
 }
 
-function clearSessionStorage() : void {
-  cy.window().then((win) => {
+function clearSessionStorage() : Cypress.Chainable<any> {
+  return cy.window().then((win) => {
     win.sessionStorage.clear();
   });
 }