address nit-pick 😉

Author: kentcdodds

src/__tests__/wait-for-element-to-be-removed.js

@@ -57,15 +57,15 @@ test('requires an element to exist first', () => {
   return expect(
     waitForElementToBeRemoved(() => null),
   ).rejects.toThrowErrorMatchingInlineSnapshot(
-    `"The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist before waiting for removal."`,
+    `"The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal."`,
   )
 })
 
 test('requires an unempty array of elements to exist first', () => {
   return expect(
     waitForElementToBeRemoved(() => []),
   ).rejects.toThrowErrorMatchingInlineSnapshot(
-    `"The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist before waiting for removal."`,
+    `"The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal."`,
   )
 })
 

src/wait-for-element-to-be-removed.js

@@ -15,7 +15,7 @@ async function waitForElementToBeRemoved(callback, options) {
   // As the name implies, waitForElementToBeRemoved should check `present` --> `removed`
   if (isRemoved(callback())) {
     throw new Error(
-      'The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist before waiting for removal.',
+      'The callback function which was passed did not return an element or non-empty array of elements. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal.',
     )
   }