Update automation test case "Delete Multi Project" (#6116)
Update automation test case "Delete Multi Project" (#6116)

Add "Wait Until xxx" to wait the expected page appear before the next step to avoid the case failure

Signed-off-by: Wenkai Yin <f217e32b30716cdf38664c331b6ddefbd7f5cdf6@vmware.com>
steven-zou/harbor,reasonerjt/harbor,steven-zou/harbor,steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor,steven-zou/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,reasonerjt/harbor,steven-zou/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,steven-zou/harbor