tests/f: api-suite-info/00 - de-flaky test

* fix sort order of config items in output

cylc/flow/config.py

@@ -480,6 +480,7 @@ def __init__(
             else:
                 if foot not in self.feet:
                     self.feet.append(foot)
+        self.feet.sort()  # sort effects get_graph_raw output
 
         # Replace workflow and task name in workflow and task URLs.
         self.cfg['meta']['URL'] = self.cfg['meta']['URL'] % {
@@ -1434,8 +1435,12 @@ def _check_explicit_cycling(self):
             taskdef.check_for_explicit_cycling()
 
     def get_task_name_list(self):
-        # return a list of all tasks used in the dependency graph
-        return list(self.taskdefs)
+        """Return a sorted list of all tasks used in the dependency graph.
+
+        Note: the sort order may effect get_graph_raw ouput.
+
+        """
+        return sorted(self.taskdefs)
 
     def generate_edges(self, lexpr, orig_lexpr, left_nodes, right, seq,
                        suicide=False):

cylc/flow/scheduler.py

@@ -814,7 +814,8 @@ def info_get_graph_raw(self, cto, ctn, grouping=None):
             self.config.get_graph_raw(cto, ctn, grouping),
             self.config.workflow_polling_tasks,
             self.config.leaves,
-            self.config.feet)
+            self.config.feet
+        )
 
     def command_stop(
             self,

tests/functional/api-workflow-info/00-get-graph-raw-1.t

@@ -64,8 +64,8 @@ cmp_ok "${WORKFLOW_RUN_DIR}/ctb-get-graph-raw.out" <<'__OUT__'
         "t3"
     ],
     [
-        "t1",
-        "T"
+        "T",
+        "t1"
     ]
 ]
 __OUT__