Tests: Fixed postMessageAndSeeIfItsPostedOnlyOnce test.
Tests: Fixed postMessageAndSeeIfItsPostedOnlyOnce test.

gokmen/koding,rjeczalik/koding,cihangir/koding,gokmen/koding,drewsetski/koding,rjeczalik/koding,alex-ionochkin/koding,cihangir/koding,kwagdy/koding-1,jack89129/koding,mertaytore/koding,drewsetski/koding,cihangir/koding,koding/koding,gokmen/koding,gokmen/koding,mertaytore/koding,kwagdy/koding-1,usirin/koding,usirin/koding,acbodine/koding,koding/koding,cihangir/koding,cihangir/koding,alex-ionochkin/koding,kwagdy/koding-1,gokmen/koding,acbodine/koding,andrewjcasal/koding,szkl/koding,kwagdy/koding-1,mertaytore/koding,kwagdy/koding-1,drewsetski/koding,szkl/koding,drewsetski/koding,alex-ionochkin/koding,rjeczalik/koding,koding/koding,acbodine/koding,koding/koding,sinan/koding,mertaytore/koding,mertaytore/koding,szkl/koding,szkl/koding,jack89129/koding,rjeczalik/koding,mertaytore/koding,mertaytore/koding,szkl/koding,jack89129/koding,jack89129/koding,sinan/koding,koding/koding,rjeczalik/koding,kwagdy/koding-1,usirin/koding,kwagdy/koding-1,sinan/koding,andrewjcasal/koding,cihangir/koding,alex-ionochkin/koding,alex-ionochkin/koding,andrewjcasal/koding,acbodine/koding,acbodine/koding,sinan/koding,koding/koding,alex-ionochkin/koding,mertaytore/koding,rjeczalik/koding,gokmen/koding,acbodine/koding,szkl/koding,kwagdy/koding-1,usirin/koding,sinan/koding,acbodine/koding,sinan/koding,jack89129/koding,sinan/koding,drewsetski/koding,drewsetski/koding,andrewjcasal/koding,alex-ionochkin/koding,usirin/koding,andrewjcasal/koding,jack89129/koding,drewsetski/koding,szkl/koding,gokmen/koding,andrewjcasal/koding,rjeczalik/koding,usirin/koding,szkl/koding,andrewjcasal/koding,cihangir/koding,jack89129/koding,acbodine/koding,drewsetski/koding,andrewjcasal/koding,sinan/koding,alex-ionochkin/koding,rjeczalik/koding,koding/koding,cihangir/koding,usirin/koding,usirin/koding,koding/koding,jack89129/koding,gokmen/koding