message: Temporarily add more logging to TestBatchMode
diff: @@ -45,6 +45,8 @@ class DriverBatchModeTest (TestBase):
  self.build()
  self.setTearDownCleanup()
  + self.runCmd("log enable lldb expr")
  +
  import pexpect
  exe = self.getBuildArtifact("a.out")
  prompt = "(lldb) "
  @@ -85,6 +87,8 @@ class DriverBatchModeTest (TestBase):
  self.build()
  self.setTearDownCleanup()
  + self.runCmd("log enable lldb expr")
  +
  import pexpect
  exe = self.getBuildArtifact("a.out")
  prompt = "(lldb) "
  @@ -129,6 +133,8 @@ class DriverBatchModeTest (TestBase):
  self.build()
  self.setTearDownCleanup()
  + self.runCmd("log enable lldb expr")
  +
  import pexpect
  exe = self.getBuildArtifact("a.out")
  prompt = "(lldb) "
  