chore: handle testcase conditionally for eslint version > 4

Author: akulsr0

tests/lib/rules/jsx-no-leaked-render.js

@@ -9,6 +9,8 @@
 // Requirements
 //------------------------------------------------------------------------------
 
+const semver = require('semver');
+const eslintPkg = require('eslint/package.json');
 const RuleTester = require('eslint').RuleTester;
 const rule = require('../../../lib/rules/jsx-no-leaked-render');
 
@@ -195,7 +197,7 @@ ruleTester.run('jsx-no-leaked-render', rule, {
     },
   ]),
 
-  invalid: parsers.all([
+  invalid: parsers.all([].concat(
     // Common invalid cases with default options
     {
       code: `
@@ -847,7 +849,7 @@ ruleTester.run('jsx-no-leaked-render', rule, {
         column: 24,
       }],
     },
-    {
+    semver.satisfies(eslintPkg.version, '> 4') ? {
       code: `
         const MyComponent = () => {
           return <Something checked={isIndeterminate ? false : isChecked} />
@@ -864,8 +866,8 @@ ruleTester.run('jsx-no-leaked-render', rule, {
         line: 3,
         column: 38,
       }],
-    },
-    {
+    } : [],
+    semver.satisfies(eslintPkg.version, '> 4') ? {
       code: `
         const MyComponent = () => {
           return <Something checked={cond && isIndeterminate ? false : isChecked} />
@@ -882,6 +884,6 @@ ruleTester.run('jsx-no-leaked-render', rule, {
         line: 3,
         column: 38,
       }],
-    },
-  ]),
+    } : []
+  )),
 });