$ make test-only
./scripts/test.sh
D:\uzair\babel\node_modules\@babel\core\lib\config\files\plugins.js:129
    throw e;
    ^

Error: Cannot find module 'babel-preset-env' from 'D:\uzair\babel\packages\babel-plugin-transform-regenerator\node_modules\regenerator-transform'
- Did you mean "@babel/env"?
    at Function.module.exports [as sync] (D:\uzair\babel\node_modules\resolve\lib\sync.js:40:15)
    at resolveStandardizedName (D:\uzair\babel\node_modules\@babel\core\lib\config\files\plugins.js:78:29)
    at resolvePreset (D:\uzair\babel\node_modules\@babel\core\lib\config\files\plugins.js:31:10)
    at loadPreset (D:\uzair\babel\node_modules\@babel\core\lib\config\files\plugins.js:50:18)
    at createDescriptor (D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:135:21)
    at D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:101:12
    at Array.map (<anonymous>)
    at createDescriptors (D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:100:27)
    at createPresetDescriptors (D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:92:10)
    at D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:64:19
    at presets (D:\uzair\babel\node_modules\@babel\core\lib\config\config-descriptors.js:54:25)
    at mergeChainOpts (D:\uzair\babel\node_modules\@babel\core\lib\config\config-chain.js:293:68)
    at D:\uzair\babel\node_modules\@babel\core\lib\config\config-chain.js:246:7
    at buildRootChain (D:\uzair\babel\node_modules\@babel\core\lib\config\config-chain.js:82:20)
    at loadConfig (D:\uzair\babel\node_modules\@babel\core\lib\config\index.js:50:53)
    at loadOptions (D:\uzair\babel\node_modules\@babel\core\lib\index.js:76:36)
    at OptionManager.init (D:\uzair\babel\node_modules\@babel\core\lib\index.js:86:12)
    at compile (D:\uzair\babel\node_modules\@babel\register\lib\node.js:57:40)
    at Module._compile (D:\uzair\babel\node_modules\pirates\lib\index.js:86:27)
    at Module._extensions..js (module.js:652:10)
    at Object.newLoader [as .js] (D:\uzair\babel\node_modules\pirates\lib\index.js:96:7)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (D:\uzair\babel\packages\babel-plugin-transform-regenerator\lib\index.js:6:52)
    at Module._compile (module.js:641:30)
    at Module._compile (D:\uzair\babel\node_modules\pirates\lib\index.js:91:24)
    at Module._extensions..js (module.js:652:10)
    at Object.newLoader [as .js] (D:\uzair\babel\node_modules\pirates\lib\index.js:96:7)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (D:\uzair\babel\packages\babel-preset-es2015\lib\index.js:52:58)
    at Module._compile (module.js:641:30)
    at Module._compile (D:\uzair\babel\node_modules\pirates\lib\index.js:91:24)
    at Module._extensions..js (module.js:652:10)
    at Object.newLoader [as .js] (D:\uzair\babel\node_modules\pirates\lib\index.js:96:7)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (D:\uzair\babel\packages\babel-preset-es2015\test/D:\uzair\babel\packages\babel-preset-es2015\test\index.js:1:1)
    at Module._compile (module.js:641:30)
    at Module._compile (D:\uzair\babel\node_modules\pirates\lib\index.js:91:24)
    at Module._extensions..js (module.js:652:10)
    at Object.newLoader [as .js] (D:\uzair\babel\node_modules\pirates\lib\index.js:96:7)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Module.require (module.js:585:17)
    at require (internal/module.js:11:18)
    at D:\uzair\babel\node_modules\mocha\lib\mocha.js:231:27
    at Array.forEach (<anonymous>)
    at Mocha.loadFiles (D:\uzair\babel\node_modules\mocha\lib\mocha.js:228:14)
    at Mocha.run (D:\uzair\babel\node_modules\mocha\lib\mocha.js:514:10)
    at Object.<anonymous> (D:\uzair\babel\node_modules\mocha\bin\_mocha:480:18)
    at Module._compile (module.js:641:30)
    at Object.Module._extensions..js (module.js:652:10)
    at Module.load (module.js:560:32)
    at tryModuleLoad (module.js:503:12)
    at Function.Module._load (module.js:495:3)
    at Function.Module.runMain (module.js:682:10)
    at startup (bootstrap_node.js:191:16)
    at bootstrap_node.js:613:3
make: *** [Makefile:66: test-only] Error 1