twister: fix initialization of job server option
Do not set default for jobserver variable.
@@ -467,7 +467,7 @@ class FilterBuilder(CMake):
class ProjectBuilder(FilterBuilder):
def __init__(self, instance, env, jobserver, **kwargs):
- super().__init__(instance.testsuite, instance.platform, instance.testsuite.source_dir, instance.build_dir, jobserver=None)
+ super().__init__(instance.testsuite, instance.platform, instance.testsuite.source_dir, instance.build_dir, jobserver)
self.log = "build.log"
self.instance = instance
