serverless error: node.js 10.x is not supported when running sls create function

Bug Report

Description

1. What did you do?
   Ran command serverless create function -f testFunction --handler testFunction.index

also tried:
sls create function -f myFunction --handler functions/myFunction/index.handler

2. What happened?
   Received the following error for both:
   Serverless Error ---------------------------------------

Provider / Runtime "aws-nodejs10.x" is not supported. Supported runtimes are: "aws-nodejs4.3", "aws-nodejs6.10", "aws-nodejs8.10".

Get Support --------------------------------------------
Docs: docs.serverless.com
Bugs: github.com/serverless/serverless/issues
Issues: forum.serverless.com

Your Environment Information ---------------------------
Operating System: linux
Node Version: 10.16.0
Framework Version: 1.59.0
Plugin Version: 3.2.5
SDK Version: 2.2.1
Components Core Version: 1.1.2
Components CLI Version: 1.4.0

3. What should've happened?

created the function template in new file and also created mocha test template in test folder
4. What's the content of your serverless.yml file?

5. What's the output you get when you use the SLS_DEBUG=* environment variable (e.g. SLS_DEBUG=* serverless deploy)

Serverless Error ---------------------------------------

ServerlessError: Provider / Runtime "aws-nodejs10.x" is not supported. Supported runtimes are: "aws-nodejs4.3", "aws-nodejs6.10", "aws-nodejs8.10".
at serverless.yamlParser.parse.then (/home/DEPCON/lyau/doc-api-recordmanagement/node_modules/serverless-mocha-plugin/index.js:463:17)
at process._tickCallback (internal/process/next_tick.js:68:7)
From previous event:
at PluginManager.invoke (/usr/local/lib/node_modules/serverless/lib/classes/PluginManager.js:489:22)
at getHooks.reduce.then (/usr/local/lib/node_modules/serverless/lib/classes/PluginManager.js:524:24)
From previous event:
at PluginManager.run (/usr/local/lib/node_modules/serverless/lib/classes/PluginManager.js:524:8)
at variables.populateService.then (/usr/local/lib/node_modules/serverless/lib/Serverless.js:115:33)
at runCallback (timers.js:705:18)
at tryOnImmediate (timers.js:676:5)
at processImmediate (timers.js:658:5)
at process.topLevelDomainCallback (domain.js:126:23)
From previous event:
at Serverless.run (/usr/local/lib/node_modules/serverless/lib/Serverless.js:102:74)
at serverless.init.then (/usr/local/lib/node_modules/serverless/bin/serverless.js:72:30)
at /usr/local/lib/node_modules/serverless/node_modules/graceful-fs/graceful-fs.js:111:16
at /home/DEPCON/lyau/doc-api-recordmanagement/node_modules/serverless-plugin-warmup/node_modules/graceful-fs/graceful-fs.js:57:14
at /usr/local/lib/node_modules/serverless/node_modules/graceful-fs/graceful-fs.js:45:10
at FSReqWrap.args [as oncomplete] (fs.js:140:20)
From previous event:
at initializeErrorReporter.then (/usr/local/lib/node_modules/serverless/bin/serverless.js:72:8)
at runCallback (timers.js:705:18)
at tryOnImmediate (timers.js:676:5)
at processImmediate (timers.js:658:5)
at process.topLevelDomainCallback (domain.js:126:23)
From previous event:
at Object. (/usr/local/lib/node_modules/serverless/bin/serverless.js:61:4)
at Module._compile (internal/modules/cjs/loader.js:776:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:787:10)
at Module.load (internal/modules/cjs/loader.js:653:32)
at tryModuleLoad (internal/modules/cjs/loader.js:593:12)
at Function.Module._load (internal/modules/cjs/loader.js:585:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:829:12)
at startup (internal/bootstrap/node.js:283:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:622:3)

Get Support --------------------------------------------
Docs: docs.serverless.com
Bugs: github.com/serverless/serverless/issues
Issues: forum.serverless.com

Your Environment Information ---------------------------
Operating System: linux
Node Version: 10.16.0
Framework Version: 1.59.0
Plugin Version: 3.2.5
SDK Version: 2.2.1
Components Core Version: 1.1.2
Components CLI Version: 1.4.0