corrected executor test name

Author: twof

src/execution/__tests__/executor-test.ts

@@ -1313,7 +1313,7 @@ describe('Execute: Handles basic execution tasks', () => {
       });
     });
 
-    it('null bubbles up when field that returns null is required', () => {
+    it('null does not bubble up when field that returns does not return null is required', () => {
       const singleNonNullOnNonNullValueDocument = parse(`
         query {
           food {