fix(coding): remove misleading test

A test that featured nested arrays just happens to work, but nested arrays will not be removed if they’re duplicates by the current solution of this challenge. See issue #18265

curriculum/challenges/arabic/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.arabic.md

@@ -20,8 +20,6 @@ undefined
 tests:
   - text: ''
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: ''
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: ''
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: ''

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.chinese.md

@@ -21,8 +21,6 @@ localeTitle: 排序联盟
 tests:
   - text: '<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code>应该返回<code>[1, 3, 2, 5, 4]</code> <code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> <code>[1, 3, 2, 5, 4]</code> 。'
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: '<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code>应该返回<code>[1, 3, 2, [5], [4]]</code> <code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> <code>[1, 3, 2, [5], [4]]</code> 。'
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1])</code>应该返回<code>[1, 2, 3, 5]</code> <code>uniteUnique([1, 2, 3], [5, 2, 1])</code> <code>[1, 2, 3, 5]</code> 。'
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code>应该返回<code>[1, 2, 3, 5, 4, 6, 7, 8]</code> <code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> <code>[1, 2, 3, 5, 4, 6, 7, 8]</code> 。'

curriculum/challenges/english/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.english.md

@@ -26,8 +26,6 @@ Remember to use <a href='http://forum.freecodecamp.org/t/how-to-get-help-when-yo
 tests:
   - text: '<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.'
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: '<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.'
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.'
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> should return <code>[1, 2, 3, 5, 4, 6, 7, 8]</code>.'

curriculum/challenges/portuguese/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.portuguese.md

@@ -21,8 +21,6 @@ localeTitle: União ordenada
 tests:
   - text: '<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> deve retornar <code>[1, 3, 2, 5, 4]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: '<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> deve retornar <code>[1, 3, 2, [5], [4]]</code> .'
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> deve retornar <code>[1, 2, 3, 5]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> deve retornar <code>[1, 2, 3, 5, 4, 6, 7, 8]</code> .'

curriculum/challenges/russian/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.russian.md

@@ -21,8 +21,6 @@ localeTitle: Сортированный союз
 tests:
   - text: '<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> должны вернуться <code>[1, 3, 2, 5, 4]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: '<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> должны вернуться <code>[1, 3, 2, [5], [4]]</code> .'
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> должен вернуться <code>[1, 2, 3, 5]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> должны возвращать <code>[1, 2, 3, 5, 4, 6, 7, 8]</code> .'

curriculum/challenges/spanish/02-javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union.spanish.md

@@ -21,8 +21,6 @@ localeTitle: Unión ordenada
 tests:
   - text: '<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> debe devolver <code>[1, 3, 2, 5, 4]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]), [1, 3, 2, 5, 4], "<code>uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1])</code> should return <code>[1, 3, 2, 5, 4]</code>.");'
-  - text: '<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> debe devolver <code>[1, 3, 2, [5], [4]]</code> .'
-    testString: 'assert.deepEqual(uniteUnique([1, 3, 2], [1, [5]], [2, [4]]), [1, 3, 2, [5], [4]], "<code>uniteUnique([1, 3, 2], [1, [5]], [2, [4]])</code> should return <code>[1, 3, 2, [5], [4]]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> debe devolver <code>[1, 2, 3, 5]</code> .'
     testString: 'assert.deepEqual(uniteUnique([1, 2, 3], [5, 2, 1]), [1, 2, 3, 5], "<code>uniteUnique([1, 2, 3], [5, 2, 1])</code> should return <code>[1, 2, 3, 5]</code>.");'
   - text: '<code>uniteUnique([1, 2, 3], [5, 2, 1, 4], [2, 1], [6, 7, 8])</code> debe devolver <code>[1, 2, 3, 5, 4, 6, 7, 8]</code> .'