[PATCH 2/2] dts: rework run-time MTU adjustment test case

[Nicholas Pratte]

Forwarding restarts in the run-time MTU adjustment test case have been
explicitly added, given that the 'requires_forwarding_restart' decorator
from a previous patch was removed.

Signed-off-by: Nicholas Pratte <npratte at iol.unh.edu>
---
 dts/tests/TestSuite_mtu.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/dts/tests/TestSuite_mtu.py b/dts/tests/TestSuite_mtu.py
index 3c96a36fc9..d1d48c2c13 100644
--- a/dts/tests/TestSuite_mtu.py
+++ b/dts/tests/TestSuite_mtu.py
@@ -164,20 +164,26 @@ def test_runtime_mtu_updating_and_forwarding(self) -> None:
             # Configure the new MTU.
 
             # Start packet capturing.
-            testpmd.start()
 
             testpmd.set_port_mtu_all(1500, verify=True)
+            testpmd.start()
             self.assess_mtu_boundary(testpmd, 1500)
 
+            testpmd.stop()
             testpmd.set_port_mtu_all(2400, verify=True)
+            testpmd.start()
             self.assess_mtu_boundary(testpmd, 1500)
             self.assess_mtu_boundary(testpmd, 2400)
 
+            testpmd.stop()
             testpmd.set_port_mtu_all(4800, verify=True)
+            testpmd.start()
             self.assess_mtu_boundary(testpmd, 1500)
             self.assess_mtu_boundary(testpmd, 4800)
 
+            testpmd.stop()
             testpmd.set_port_mtu_all(9000, verify=True)
+            testpmd.start()
             self.assess_mtu_boundary(testpmd, 1500)
             self.assess_mtu_boundary(testpmd, 9000)
 
-- 
2.47.1