Make OSX test run firewall friendly.

http://reviews.llvm.org/D7115

llvm-svn: 226856
diff --git a/lldb/test/api/multiple-debuggers/TestMultipleDebuggers.py b/lldb/test/api/multiple-debuggers/TestMultipleDebuggers.py
index c0510a1..c88c1ab 100644
--- a/lldb/test/api/multiple-debuggers/TestMultipleDebuggers.py
+++ b/lldb/test/api/multiple-debuggers/TestMultipleDebuggers.py
@@ -26,6 +26,7 @@
         self.driver_exe = os.path.join(os.getcwd(), "multi-process-driver")
         self.buildDriver('multi-process-driver.cpp', self.driver_exe)
         self.addTearDownHook(lambda: os.remove(self.driver_exe))
+        self.signBinary(self.driver_exe)
 
         self.inferior_exe = os.path.join(os.getcwd(), "testprog")
         self.buildDriver('testprog.cpp', self.inferior_exe)