23. A non-transitory computer-readable storage medium storing instructions for enabling a computer to implement a method for testing a computer system, the method comprising: receiving, at the computer, a representation of a graphical user interface of the remote system; and controlling, at the computer, a flow of execution based on a testing script, the flow of execution including: searching the received representation of the remote system graphical user interface for a graphical element based on an image analysis; and responsive to a result of searching the received representation of the remote system graphical user interface for the graphical element, automatically providing a signal through a communications channel to execute an emulated user input action on the remote system graphical user interface, wherein the input action is specified by a specific script command in the testing script.
30. The non-transitory computer-readable storage medium of claim 23 , wherein the method further includes: automatically providing, by the computer, as the signal, a first signal to execute an input action at the remote system, in response to a detected presence of the graphical element in the received representation of the remote system graphical user interface during the search.