fix(curriculum): check for imports in tests (#65463)

curriculum/challenges/english/blocks/lab-quicksort/681dbcca65bbda5f286dc0ca.md

@@ -78,20 +78,14 @@ assert _test_list == [20, 3, 14, 1, 5]
 ({ test: () => runPython(`assert quick_sort([87, 11, 23, 18, 18, 23, 11, 56, 87, 56]) == [11, 11, 18, 18, 23, 23, 56, 56, 87, 87]`) })
 ```
 
-You should not use the built-in `sorted()` function in your code.
+You should not import any module or use built-in sorting methods in your code.
 
 ```js
 ({ test: () => runPython(`
-assert not _Node(_code).block_has_call("sorted")
-`) })
-```
-
-You should not use the `sort()` method in your code.
-
-```js
-({ test: () => runPython(`
-assert not _Node(_code).block_has_call("sort")
-`) })
+    assert len(_Node(_code).find_imports()) == 0
+    assert not _Node(_code).block_has_call("sort")
+    assert not _Node(_code).block_has_call("sorted")
+`)})
 ```
 
 # --seed--

curriculum/challenges/english/blocks/lab-selection-sort/680b3ef395479b0e449ecb6e.md

@@ -50,12 +50,13 @@ Your `selection_sort` function should have one parameter.
 )
 ```
 
-You should not use the built-in `sort()` method or `sorted()` function in your code.
+You should not import any module or use built-in sorting methods in your code.
 
 ```js
 (
     {
         test: () => runPython(`
+            assert len(_Node(_code).find_imports()) == 0
             assert not _Node(_code).block_has_call("sort")
             assert not _Node(_code).block_has_call("sorted")
         `)