tests: wait after PCI rescan

The reset takes a bit of time, thus wait a short period.

Signed-off-by: Daniel Wagner <[email protected]>

Author: igaw

tests/nvme_test.py

@@ -177,6 +177,8 @@ def nvme_reset_ctrl(self):
                                 stderr=subprocess.PIPE,
                                 encoding='utf-8')
         self.assertEqual(proc.wait(), 0, "ERROR : pci rescan failed")
+        # The rescan takes a while until done
+        time.sleep(1)
 
     def get_ctrl_id(self):
         """ Wrapper for extracting the first controller id.