diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/lldbvscode_testcase.py
@@ -322,7 +322,6 @@
             launchCommands=launchCommands,
             sourceMap=sourceMap,
             runInTerminal=runInTerminal,
-            expectFailure=expectFailure,
             postRunCommands=postRunCommands)
 
         if expectFailure:
diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
@@ -661,8 +661,7 @@
                        stopCommands=None, exitCommands=None,
                        terminateCommands=None ,sourcePath=None,
                        debuggerRoot=None, launchCommands=None, sourceMap=None,
-                       runInTerminal=False, expectFailure=False,
-                       postRunCommands=None):
+                       runInTerminal=False, postRunCommands=None):
         args_dict = {
             'program': program
         }
@@ -712,7 +711,7 @@
         }
         response = self.send_recv(command_dict)
 
-        if not expectFailure:
+        if response['success']:
             # Wait for a 'process' and 'initialized' event in any order
             self.wait_for_event(filter=['process', 'initialized'])
             self.wait_for_event(filter=['process', 'initialized'])