support/testing: allow to set BR2_JLEVEL

Let the user to override the default BR2_JLEVEL used for each testcase.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

support/testing/run-tests

@@ -23,6 +23,8 @@ def main():
     parser.add_argument('-k', '--keep',
                         help='keep build directories',
                         action='store_true')
+    parser.add_argument('-j', '--jlevel', type=int,
+                        help='BR2_JLEVEL to use for each testcase')
 
     args = parser.parse_args()
 
@@ -70,6 +72,14 @@ def main():
 
     BRTest.keepbuilds = args.keep
 
+    if args.jlevel:
+        if args.jlevel < 0:
+            print "Invalid BR2_JLEVEL to use for each testcase"
+            print ""
+            parser.print_help()
+            return 1
+        BRTest.jlevel = args.jlevel
+
     nose2_args = ["-v",
                   "-s", "support/testing",
                   "-c", "support/testing/conf/unittest.cfg"]