Update failing spec

Update get state key
spec with the new changes
on what state to show when.

spec/frontend/vue_mr_widget/stores/get_state_key_spec.js

@@ -30,6 +30,7 @@ describe('getStateKey', () => {
     expect(bound()).toEqual('notAllowedToMerge');
     context.autoMergeEnabled = true;
+    context.hasMergeableDiscussionsState = true;
     expect(bound()).toEqual('autoMergeEnabled');
@@ -44,6 +45,7 @@ describe('getStateKey', () => {
     expect(bound()).toEqual('pipelineBlocked');
     context.hasMergeableDiscussionsState = true;
+    context.autoMergeEnabled = false;
     expect(bound()).toEqual('unresolvedDiscussions');