Use a separate request for 'Sort members' feature, not a refactoring.

pkg/analysis_server/test/integration/protocol_matchers.dart

Index: pkg/analysis_server/test/integration/protocol_matchers.dart
diff --git a/pkg/analysis_server/test/integration/protocol_matchers.dart b/pkg/analysis_server/test/integration/protocol_matchers.dart
index c7969f4ac0de93607ec16e3448be924a00c9a031..3f135d49cb539fef39513992fc1797f9e40fed83 100644
--- a/pkg/analysis_server/test/integration/protocol_matchers.dart
+++ b/pkg/analysis_server/test/integration/protocol_matchers.dart
@@ -669,6 +669,30 @@ final Matcher isEditGetRefactoringResult = new LazyMatcher(() => new MatchesJson
   }));
 
 /**
+ * edit.sortMembers params
+ *
+ * {
+ *   "file": FilePath
+ * }
+ */
+final Matcher isEditSortMembersParams = new LazyMatcher(() => new MatchesJsonObject(
+  "edit.sortMembers params", {
+    "file": isFilePath
+  }));
+
+/**
+ * edit.sortMembers result
+ *
+ * {
+ *   "edit": SourceFileEdit
+ * }
+ */
+final Matcher isEditSortMembersResult = new LazyMatcher(() => new MatchesJsonObject(
+  "edit.sortMembers result", {
+    "edit": isSourceFileEdit
+  }));
+
+/**
  * execution.createContext params
  *
  * {
@@ -2011,13 +2035,3 @@ final Matcher isRenameOptions = new LazyMatcher(() => new MatchesJsonObject(
     "newName": isString
   }));
 
-/**
- * sortMembers feedback
- */
-final Matcher isSortMembersFeedback = isNull;
-
-/**
- * sortMembers options
- */
-final Matcher isSortMembersOptions = isNull;
-