testing/download: GIT use BRConfigTest

Enables the test to use the new non-emulator base class which takes
significantly less test time.

Cc: Ricardo Martincoski <ricardo.martincoski@datacom.ind.br>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

support/testing/tests/download/test_git.py

@@ -6,7 +6,7 @@ from gitremote import GitRemote
 import infra
 
 
-class GitTestBase(infra.basetest.BRTest):
+class GitTestBase(infra.basetest.BRConfigTest):
     config = \
         """
         BR2_BACKUP_SITE=""