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# Disallow identical tests (no-identical-tests)
(fixable) The `--fix` option on the [command line](../user-guide/command-line-interface#fix) automatically fixes problems reported by this rule.
When a rule has a lot of tests, it's sometimes difficult to tell if any tests are duplicates. This rule would warn if any test cases have the same properties.
## Rule Details
Examples of **incorrect** code for this rule:
```js
/* eslint eslint-plugin/no-identical-tests: error */
new RuleTester().run('foo', bar, {
valid: [
{ code: 'foo' },
{ code: 'foo' }
],
invalid: []
});
```
Examples of **correct** code for this rule:
```js
/* eslint eslint-plugin/no-identical-tests: error */
new RuleTester().run('foo', bar, {
valid: [
{ code: 'foo' },
{ code: 'bar' }
],
invalid: []
});
```
## When Not To Use It
If you want to allow identical tests, do not enable this rule.
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