UMD tests not passing for Node 10 and above #222
Description
Currently, we have to run the umdbrowser tests on Node 8.
Running on Node 10 yields this error:
`> @optimizely/[email protected] test-xbrowser /home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk
karma start karma.bs.conf.js --single-run
14 02 2019 18:53:27.791:ERROR [config]: Invalid config file!
ReferenceError: internalBinding is not defined
at internal/util/inspect.js:31:15
at req_ (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:137:5)
at require (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:110:12)
at util.js:25:21
at req_ (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:137:5)
at require (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:110:12)
at fs.js:42:21
at req_ (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:137:5)
at Object.req [as require] (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/natives/index.js:54:10)
at Object. (/home/travis/build/optimizely/javascript-sdk/packages/optimizely-sdk/node_modules/fstream/node_modules/graceful-fs/fs.js:1:99)
at Module._compile (internal/modules/cjs/loader.js:689:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:700:10)
at Module.load (internal/modules/cjs/loader.js:599:32)
at tryModuleLoad (internal/modules/cjs/loader.js:538:12)
at Function.Module._load (internal/modules/cjs/loader.js:530:3)
at Module.require (internal/modules/cjs/loader.js:637:17)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @optimizely/[email protected] test-xbrowser:karma start karma.bs.conf.js --single-run
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @optimizely/[email protected] test-xbrowser script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /home/travis/.npm/_logs/2019-02-14T18_53_27_811Z-debug.log
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @optimizely/[email protected] test-ci:npm run test-xbrowser && npm run test-umdbrowser
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the @optimizely/[email protected] test-ci script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! /home/travis/.npm/_logs/2019-02-14T18_53_27_831Z-debug.log`