[Applications][Non-ACR][Fix wrong precondition & postcondition]

Change-Id: I70467c41f6ae73cff4ec265a6405ca616ca8b98e
Signed-off-by: Hwankyu Jhun <h.jhun@samsung.com>

diff --git a/tct-suite-vs/Tizen.Applications.Tests/testcase/TSRPCPort.ProxyBase.cs b/tct-suite-vs/Tizen.Applications.Tests/testcase/TSRPCPort.ProxyBase.cs
index 6eb7f6f..4743dbf 100755 (executable)
--- a/tct-suite-vs/Tizen.Applications.Tests/testcase/TSRPCPort.ProxyBase.cs
+++ b/tct-suite-vs/Tizen.Applications.Tests/testcase/TSRPCPort.ProxyBase.cs
@@ -101,7 +101,7 @@ namespace Tizen.Applications.Tests
         public void Destroy()
         {
             LogUtils.Write(LogUtils.DEBUG, LogUtils.TAG, "Postconditions for each TEST");
-            _proxy.Dispose();
+            _proxy?.Dispose();
             _proxy = null;
         }
 
@@ -327,7 +327,7 @@ namespace Tizen.Applications.Tests
             /* PRECONDITION */
             await Task.Delay(4000);
             Assert.True(_proxy.Connected);
-            _proxy.Dispose();
+            _proxy?.Dispose();
 
             /* TEST CODE */
             try