fix(test): use range instead of xrange

Signed-off-by: Martin Styk <mart.styk@gmail.com>

LabController/src/bkr/labcontroller/test_concurrency.py

@@ -134,7 +134,7 @@ def _test():
     def test_reaper_race(self):
         def _test():
             procs = [MonitoredSubprocess(['true'], timeout=10)
-                     for _ in xrange(600)]
+                     for _ in range(600)]
             for p in procs:
                 p.dead.wait()
 

LabController/src/bkr/labcontroller/test_netboot.py

@@ -139,15 +139,15 @@ def setUp(self):
         super(ImagesBaseTestCase, self).setUp()
         # make some dummy images
         self.kernel = tempfile.NamedTemporaryFile(prefix='test_netboot', suffix='kernel')
-        for _ in xrange(4 * 1024):
+        for _ in range(4 * 1024):
             self.kernel.write(chr(random.randrange(0, 256)) * 1024)
         self.kernel.flush()
         self.initrd = tempfile.NamedTemporaryFile(prefix='test_netboot', suffix='initrd')
-        for _ in xrange(8 * 1024):
+        for _ in range(8 * 1024):
             self.initrd.write(chr(random.randrange(0, 256)) * 1024)
         self.initrd.flush()
         self.image = tempfile.NamedTemporaryFile(prefix='test_netboot', suffix='image')
-        for _ in xrange(4 * 1024):
+        for _ in range(4 * 1024):
             self.image.write(chr(random.randrange(0, 256)) * 1024)
         self.image.flush()