Selenium tests for entityselector as search-box

Bug: 48132
Change-Id: Ic9c615f8f1fb331bacf51bdc9eb6a74d787acf35
Selenium tests for entityselector paging

Bug: 48131
Change-Id: I08d37b9f39a400420637fa0c96e45cc384b71544
Merge "Selenium tests for entityselector as search-box"
Merge "Selenium tests for entityselector paging"