script: Refactor test

.gitignore

@@ -1,3 +1,4 @@
+.cache/
 _attic/
 build/
 *.o

script/test

@@ -6,19 +6,10 @@ set -e
 
 cd "$(dirname "$0")/.."
 
-if [ \! -d device_tests ]; then
-    curl -s -L https://github.com/trezor/python-trezor/archive/master.tar.gz | tar -xvz --strip-components=2 python-trezor-master/tests/device_tests
-fi
-
-# Kill jobs on exit
-trap "exit" INT TERM
-trap "kill 0" EXIT
+if [ "$EMULATOR" = 1 ]; then
+    trap "kill %1" EXIT
 
-if [ "$EMULATOR" = 1 ] && [ -z "$(pidof trezor.elf)" ]; then
     firmware/trezor.elf &
 fi
 
-TREZOR_TRANSPORT_V1=1 pytest "device_tests" &
-
-# Wait for either job to exit and kill the other
-wait -n
+TREZOR_TRANSPORT_V1=1 "${PYTHON:-python}" -m pytest --pyarg trezorlib.tests.device_tests "$@"