[PATCH 3/4] oeqa/core/context.py: Add validation for run-tests option

["Aníbal Limón" <anibal.limon@linux.intel.com>]

The run-tests option is optional so if isn't specified set
to None instead of crash on split().

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
---
 meta/lib/oeqa/core/context.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/meta/lib/oeqa/core/context.py b/meta/lib/oeqa/core/context.py
index efed4e6..4476750 100644
--- a/meta/lib/oeqa/core/context.py
+++ b/meta/lib/oeqa/core/context.py
@@ -215,7 +215,11 @@ class OETestContextExecutor(object):
         else:
             self.tc_kwargs['init']['td'] = {}
 
-        self.tc_kwargs['load']['modules'] = args.run_tests.split()
+
+        if args.run_tests:
+            self.tc_kwargs['load']['modules'] = args.run_tests.split()
+        else:
+            self.tc_kwargs['load']['modules'] = None
 
         self.module_paths = args.CASES_PATHS
 
-- 
2.1.4