update error message

Author: kentcdodds

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

@@ -49,31 +49,31 @@ 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(s) before waiting for removal."`,
+    `"The element(s) given to waitForElementToBeRemoved are already removed. 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(s) before waiting for removal."`,
+    `"The element(s) given to waitForElementToBeRemoved are already removed. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal."`,
   )
 })
 
 test('requires an element to exist first (function form)', () => {
   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(s) before waiting for removal."`,
+    `"The element(s) given to waitForElementToBeRemoved are already removed. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal."`,
   )
 })
 
 test('requires an unempty array of elements to exist first (function form)', () => {
   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(s) before waiting for removal."`,
+    `"The element(s) given to waitForElementToBeRemoved are already removed. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal."`,
   )
 })
 

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

@@ -7,7 +7,7 @@ const isRemoved = result => !result || (Array.isArray(result) && !result.length)
 function initialCheck(elements) {
   if (isRemoved(elements)) {
     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(s) before waiting for removal.',
+      'The element(s) given to waitForElementToBeRemoved are already removed. waitForElementToBeRemoved requires that the element(s) exist(s) before waiting for removal.',
     )
   }
 }