KeywordBearTest: Add language setting in test
KeywordBearTest: Add language setting in test

Add non-optional setting `language` in
KeywordBearTest.KeywordBearTest.

Closes https://github.com/coala/coala-bears/issues/1885

horczech/coala-bears,coala-analyzer/coala-bears,shreyans800755/coala-bears,yash-nisar/coala-bears,yash-nisar/coala-bears,Vamshi99/coala-bears,Vamshi99/coala-bears,horczech/coala-bears,ankit01ojha/coala-bears,ankit01ojha/coala-bears,aptrishu/coala-bears,Vamshi99/coala-bears,coala/coala-bears,horczech/coala-bears,refeed/coala-bears,refeed/coala-bears,yash-nisar/coala-bears,ankit01ojha/coala-bears,aptrishu/coala-bears,horczech/coala-bears,aptrishu/coala-bears,damngamerz/coala-bears,Vamshi99/coala-bears,horczech/coala-bears,coala/coala-bears,shreyans800755/coala-bears,Vamshi99/coala-bears,coala/coala-bears,Vamshi99/coala-bears,shreyans800755/coala-bears,srisankethu/coala-bears,Vamshi99/coala-bears,damngamerz/coala-bears,refeed/coala-bears,shreyans800755/coala-bears,coala/coala-bears,yash-nisar/coala-bears,ankit01ojha/coala-bears,Vamshi99/coala-bears,horczech/coala-bears,Vamshi99/coala-bears,aptrishu/coala-bears,Vamshi99/coala-bears,ankit01ojha/coala-bears,coala/coala-bears,coala-analyzer/coala-bears,srisankethu/coala-bears,horczech/coala-bears,srisankethu/coala-bears,aptrishu/coala-bears,aptrishu/coala-bears,ankit01ojha/coala-bears,shreyans800755/coala-bears,coala/coala-bears,horczech/coala-bears,damngamerz/coala-bears,horczech/coala-bears,damngamerz/coala-bears,srisankethu/coala-bears,damngamerz/coala-bears,Vamshi99/coala-bears,coala-analyzer/coala-bears,yash-nisar/coala-bears,coala-analyzer/coala-bears,refeed/coala-bears,srisankethu/coala-bears,srisankethu/coala-bears,shreyans800755/coala-bears,srisankethu/coala-bears,aptrishu/coala-bears,coala-analyzer/coala-bears,shreyans800755/coala-bears,aptrishu/coala-bears,coala-analyzer/coala-bears,aptrishu/coala-bears,ankit01ojha/coala-bears,ankit01ojha/coala-bears,refeed/coala-bears,coala/coala-bears,shreyans800755/coala-bears,srisankethu/coala-bears,shreyans800755/coala-bears,srisankethu/coala-bears,yash-nisar/coala-bears,yash-nisar/coala-bears,ankit01ojha/coala-bears,srisankethu/coala-bears,damngamerz/coala-bears,refeed/coala-bears,yash-nisar/coala-bears,coala-analyzer/coala-bears,horczech/coala-bears,damngamerz/coala-bears,yash-nisar/coala-bears,shreyans800755/coala-bears,aptrishu/coala-bears,refeed/coala-bears,ankit01ojha/coala-bears,yash-nisar/coala-bears,refeed/coala-bears,damngamerz/coala-bears,damngamerz/coala-bears,yash-nisar/coala-bears,shreyans800755/coala-bears,damngamerz/coala-bears,damngamerz/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,horczech/coala-bears,ankit01ojha/coala-bears,refeed/coala-bears,coala-analyzer/coala-bears,srisankethu/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,coala/coala-bears,aptrishu/coala-bears,refeed/coala-bears