diff --git a/tests/run_one_test.sh b/tests/run_one_test.sh
index 0b86e22..978f158 100755
--- a/tests/run_one_test.sh
+++ b/tests/run_one_test.sh
@@ -6,10 +6,12 @@ fi
 echo "Running test $2"
 
 # TODO keep the log file, and parse it to see if test is successful
-($1 --experimental-backends --backend dummy --log-level=debug --log-file=/dev/null) &
+($1 --experimental-backends --backend dummy --log-level=debug --log-file=$PWD/log) &
 compton_pid=$!
 $2
 
 kill -INT $compton_pid
+cat log
+rm log