Fix TestThreadJump on Windows.

The system can create threads for a system threadpool, so there is
no guarantee that the thread that is stopped is thread 1.  So use
a more robust check.

llvm-svn: 257513

lldb/packages/Python/lldbsuite/test/functionalities/thread/jump/TestThreadJump.py

@@ -34,8 +34,7 @@ class ThreadJumpTestCase(TestBase):
         # The stop reason of the thread should be breakpoint 1.
         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 1",
             substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint 1'])
+                       'main.cpp:{}, stop reason = breakpoint 1'.format(self.mark3)])
 
         self.do_min_test(self.mark3, self.mark1, "i", "4"); # Try the int path, force it to return 'a'
         self.do_min_test(self.mark3, self.mark2, "i", "5"); # Try the int path, force it to return 'b'