[processing] Some test debugging help

python/plugins/processing/tests/AlgorithmsTestBase.py

@@ -117,6 +117,8 @@ def check_algorithm(self, name, defs):
 
         feedback = QgsProcessingFeedback()
 
+        print('Algorithm parameters are {}'.format(parameters))
+
         # first check that algorithm accepts the parameters we pass...
         ok, msg = alg.checkParameterValues(parameters, context)
         self.assertTrue(ok, 'Algorithm failed checkParameterValues with result {}'.format(msg))