diff --git a/tests-ng/tests-launcher.py b/tests-ng/tests-launcher.py
index f4046c7..a16e908 100755
--- a/tests-ng/tests-launcher.py
+++ b/tests-ng/tests-launcher.py
@@ -14,19 +14,24 @@ from halo import Halo
 
 
 MAX_JOBS = 10
+LOG_FILE = '/tmp/dotdrop-tests-launcher.log'
 
 
-def run_test(path):
+def run_test(logfd, path):
     cur = os.path.dirname(sys.argv[0])
     name = os.path.basename(path)
     path = os.path.join(cur, name)
 
+    if logfd:
+        logfd.write('starting test {}\n'.format(path))
     p = subprocess.Popen(path, shell=False,
                          stdout=subprocess.PIPE,
                          stderr=subprocess.STDOUT)
     out, _ = p.communicate()
     out = out.decode()
     r = p.returncode == 0
+    if logfd:
+        logfd.write('done test {}\n'.format(path))
     reason = 'returncode'
     if 'Traceback' in out:
         r = False
@@ -53,17 +58,23 @@ def main():
 
     tests = get_tests()
 
+    fd = open(LOG_FILE, 'w')
+    fd.write('start with {} jobs\n'.format(MAX_JOBS))
+    fd.flush()
+
     print()
     spinner = Halo(text='Testing', spinner='bouncingBall')
     spinner.start()
     with futures.ThreadPoolExecutor(max_workers=MAX_JOBS) as ex:
         wait_for = []
         for test in tests:
-            j = ex.submit(run_test, test)
+            j = ex.submit(run_test, fd, test)
             wait_for.append(j)
+        fd.flush()
 
         for f in futures.as_completed(wait_for):
             r, reason, p, log = f.result()
+            fd.flush()
             if not r:
                 ex.shutdown(wait=False)
                 for x in wait_for:
@@ -71,6 +82,7 @@ def main():
                 print()
                 print(log)
                 print('test {} failed ({})'.format(p, reason))
+                fd.close()
                 return False
             #else:
             #    sys.stdout.write('.')
@@ -78,6 +90,8 @@ def main():
         sys.stdout.write('\n')
     spinner.stop()
     print()
+    fd.write('done with {} jobs\n'.format(MAX_JOBS))
+    fd.close()
     return True