[tests/repository] use the new connection api (part 2/2)
Some notes:
* module imports cleanup
* the unimplemented `test_transaction_interleaved` is wiped
* {
color: #000 !important;
}
div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
display: none
}
div#pageContent{
border: none;
}