fixed node v8 test

Author: ota-meshi

tests/integrations/eslint-plugin-import.js

@@ -11,6 +11,11 @@
 
 const cp = require('child_process')
 const path = require('path')
+const semver = require('semver')
+
+if (!semver.satisfies(process.version, require('eslint/package.json').engines.node)) {
+  return
+}
 
 // -----------------------------------------------------------------------------
 // Tests