Add test case for hashset::insert ranking

Author: notriddle

src/test/rustdoc-js-std/path-ordering.js

@@ -0,0 +1,12 @@
+const QUERY = 'hashset::insert';
+
+const EXPECTED = {
+    'others': [
+        // ensure hashset::insert comes first
+        { 'path': 'std::collections::hash_set::HashSet', 'name': 'insert' },
+        { 'path': 'std::collections::hash_set::HashSet', 'name': 'get_or_insert' },
+        { 'path': 'std::collections::hash_set::HashSet', 'name': 'get_or_insert_with' },
+        { 'path': 'std::collections::hash_set::HashSet', 'name': 'get_or_insert_owned' },
+        { 'path': 'std::collections::hash_map::HashMap', 'name': 'insert' },
+    ],
+};