Add extra wait time after setting attenuation

Add Extra wati time after setting atteunation

Bug: None
Test: Done

Signed-off-by: Qi Jiang <qijiang@google.com>
Change-Id: I06a5773978a508090bc7c2a695f7acab2c1de2ad
diff --git a/acts_tests/acts_contrib/test_utils/power/PowerBTBaseTest.py b/acts_tests/acts_contrib/test_utils/power/PowerBTBaseTest.py
index 056787c..8f19606 100644
--- a/acts_tests/acts_contrib/test_utils/power/PowerBTBaseTest.py
+++ b/acts_tests/acts_contrib/test_utils/power/PowerBTBaseTest.py
@@ -49,6 +49,7 @@
         time.sleep(time_wait_in_between)
         attenuation_delta = obj_atten.get_atten() - attenuation_target
     obj_atten.set_atten(attenuation_target)
+    time.sleep(time_wait_in_between)
 
 
 class PowerBTBaseTest(PBT.PowerBaseTest):