Merge remote-tracking branch 'origin/downloadtest' into debug-tests-more-single

diff --cc debug/gdbserver.py
Simple merge

diff --cc debug/testlib.py
index 09baf1bec6bb522fb7d85631f2112c61dd1270de,0a6c1856e373e3dac240a0c15f2e1a708bf556ea..fb5bee33b1284b36ecafe918821a979ad1cf738c
--- 1/debug/testlib.py
--- 2/debug/testlib.py
+++ b/debug/testlib.py
@@@ -870,9 -864,13 +868,14 @@@ class GdbTest(BaseTest)
              if hart != self.hart:
                  self.gdb.select_hart(hart)
                  self.gdb.p("$pc=loop_forever")
 +
          self.gdb.select_hart(self.hart)
  
+ class GdbSingleHartTest(GdbTest):
+     def classSetup(self):
+         GdbTest.classSetup(self)
+         self.parkOtherHarts()
+ 
  class ExamineTarget(GdbTest):
      def test(self):
          for hart in self.target.harts: