Move DiscoveryImplPlatform::Shutdown() to testcase TearDown()

Author: mbknust

src/lib/dnssd/platform/tests/TestPlatform.cpp

@@ -157,18 +157,18 @@ class TestDnssdPlatform : public ::testing::Test
 {
 public:
     static void SetUpTestSuite() { ASSERT_EQ(chip::Platform::MemoryInit(), CHIP_NO_ERROR); }
-    static void TearDownTestSuite()
-    {
-        DiscoveryImplPlatform::GetInstance().Shutdown();
-        chip::Platform::MemoryShutdown();
-    }
+
+    static void TearDownTestSuite() { chip::Platform::MemoryShutdown(); }
+
     void SetUp() override
     {
         test::Reset();
         DiscoveryImplPlatform & mdnsPlatform = DiscoveryImplPlatform::GetInstance();
         EXPECT_EQ(mdnsPlatform.Init(DeviceLayer::UDPEndPointManager()), CHIP_NO_ERROR);
         EXPECT_EQ(mdnsPlatform.RemoveServices(), CHIP_NO_ERROR);
     }
+
+    void TearDown() override { DiscoveryImplPlatform::GetInstance().Shutdown(); }
 };
 
 TEST_F(TestDnssdPlatform, TestStub)