oeqa/utils/dump: Move get_host_dumper to OERuntimeTestContextExecutor class

To avoid getVar calls inside a utils module, also moves
get_host_dumper import inside testexport isn't needed.

[YOCTO #10231]

(From OE-Core rev: f8beaf94e943a8b20d146be47a756af312ef107c)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/utils/dump.py

@@ -5,12 +5,6 @@ import datetime
 import itertools
 from .commands import runCmd
 
-def get_host_dumper(d):
-    cmds = d.getVar("testimage_dump_host")
-    parent_dir = d.getVar("TESTIMAGE_DUMP_DIR")
-    return HostDumper(cmds, parent_dir)
-
-
 class BaseDumper(object):
     """ Base class to dump commands from host/target """
 
@@ -77,13 +71,12 @@ class HostDumper(BaseDumper):
             result = runCmd(cmd, ignore_status=True)
             self._write_dump(cmd.split()[0], result.output)
 
-
 class TargetDumper(BaseDumper):
     """ Class to get dumps from target, it only works with QemuRunner """
 
-    def __init__(self, cmds, parent_dir, qemurunner):
+    def __init__(self, cmds, parent_dir, runner):
         super(TargetDumper, self).__init__(cmds, parent_dir)
-        self.runner = qemurunner
+        self.runner = runner
 
     def dump_target(self, dump_dir=""):
         if dump_dir: