[dts] [PATCH V1] tests/TestSuite_link_flowctrl:add set_up

[Chen Linglix <linglix.chen@intel.com>]

add set_up,tear_down:Avoid the influence between cases

Signed-off-by: Chen Linglix <linglix.chen@intel.com>
---
 tests/TestSuite_link_flowctrl.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/tests/TestSuite_link_flowctrl.py b/tests/TestSuite_link_flowctrl.py
index 9e608bab..326f8b98 100644
--- a/tests/TestSuite_link_flowctrl.py
+++ b/tests/TestSuite_link_flowctrl.py
@@ -76,8 +76,6 @@ class TestLinkFlowctrl(TestCase):
 
         self.portMask = utils.create_mask([self.rx_port, self.tx_port])
 
-        self.pmdout = PmdOutput(self.dut)
-        self.pmdout.start_testpmd("all", "--portmask=%s" % self.portMask)
         # get dts output path
         if self.logger.log_path.startswith(os.sep):
             self.output_path = self.logger.log_path
@@ -88,6 +86,10 @@ class TestLinkFlowctrl(TestCase):
         # create an instance to set stream field setting
         self.pktgen_helper = PacketGeneratorHelper()
 
+    def set_up(self):
+        self.pmdout = PmdOutput(self.dut)
+        self.pmdout.start_testpmd("all", "--portmask=%s" % self.portMask)
+
     def get_tgen_input(self):
         """
         create streams for ports.
@@ -563,9 +565,15 @@ class TestLinkFlowctrl(TestCase):
                         "Link flow control fail, the loss percent is less than 50%")
         self.dut.send_expect("stop", "testpmd> ")
 
-    def tear_down_all(self):
+    def tear_down(self):
         """
         Run after each test case.
         """
-        self.dut.kill_all()
         self.dut.send_expect("quit", "# ")
+        self.dut.kill_all()
+    
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        pass
-- 
2.17.1