[lldb] Fixed typo

Author: sga-sc

lldb/packages/Python/lldbsuite/test/lldbtest.py

@@ -2022,7 +2022,7 @@ def get_process_working_directory(self):
         """Get the working directory that should be used when launching processes for local or remote processes."""
         if lldb.remote_platform:
             # Remote tests set the platform working directory up in
-            # TestBase.setUp()
+            # Base.setUp()
             return lldb.remote_platform.GetWorkingDirectory()
         else:
             # local tests change directory into each test subdirectory