Tests the input element.
testinput
Test case #30 setup a okay.
testinput1
Test case #30 setup b okay.
testinput2
Test case #30 setup c okay.
testinput3
Test case #30.
Test (input) passed if this says testinput3:
testinput3.
Test (input index 1) passed if this says testinput3:
testinput3.
Test (input index 2) passed if this says testinput2:
testinput2.
Test (input index 3) passed if this says testinput1:
testinput1.
Test (input index 4) passed if this says testinput: testinput.