Speed up longitudinal tests and add retry

selfdrive/test/longitudinal_maneuvers/test_longitudinal.py

@@ -348,12 +348,17 @@ class LongitudinalControl(unittest.TestCase):
   def test_longitudinal_setup(self):
     pass
 
+
 def run_maneuver_worker(k):
   man = maneuvers[k]
   output_dir = os.path.join(os.getcwd(), 'out/longitudinal')
 
   def run(self):
     print(man.title)
+
+    valid = False
+
+    for retries in range(3):
       manager.start_managed_process('radard')
       manager.start_managed_process('controlsd')
       manager.start_managed_process('plannerd')
@@ -364,12 +369,15 @@ def run_maneuver_worker(k):
       manager.kill_managed_process('radard')
       manager.kill_managed_process('controlsd')
       manager.kill_managed_process('plannerd')
-    time.sleep(5)
+
+      if valid:
+        break
 
     self.assertTrue(valid)
 
   return run
 
+
 for k in range(len(maneuvers)):
   setattr(LongitudinalControl, "test_longitudinal_maneuvers_%d" % (k + 1), run_maneuver_worker(k))