Fix pyhwtest not using map interface of IODataMap.runtime

Change-Id: I0d52d4b4585975bbb27a1a75a5f0d99e9826109f

pygrenade/test/pygrenade_hwtest_vx.py

@@ -144,8 +144,8 @@ class HwTestPygrenadeVx(unittest.TestCase):
             times[i] = [[] for _ in range(ext_pop_size)]
         input_generator.add(times, ext_pop_descr)
         inputs = input_generator.done()
-        inputs.runtime = batch_size * [
-            int(hal.Timer.Value.fpga_clock_cycles_per_us) * 100]
+        inputs.runtime = {grenade.ExecutionInstance(): batch_size * [
+            int(hal.Timer.Value.fpga_clock_cycles_per_us) * 100]}
 
         with hxcomm.ManagedConnection() as connection:
             init, _ = sta.generate(sta.ExperimentInit())