fix tests

Author: oesteban

nipype/pipeline/engine/workflows.py

@@ -597,9 +597,10 @@ def run(self, plugin=None, plugin_args=None, updatehash=False):
             write_workflow_prov(execgraph, prov_base, format='all')
 
         if config.resource_monitor:
+            base_dir = self.base_dir or os.getcwd()
             write_workflow_resources(
                 execgraph,
-                filename=op.join(self.base_dir, self.name, 'resource_monitor.json')
+                filename=op.join(base_dir, self.name, 'resource_monitor.json')
             )
         return execgraph