Adding spec to detect error condition when no tags are present.
Adding spec to detect error condition when no tags are present.

cucumber/cucumber-ruby,sideci-sample/sideci-sample-cucumber,tom025/cucumber,CW5000/CWFDerpy,richarda/cucumber,jasonkarns/cucumber-ruby,jasonkarns/cucumber-ruby,enkessler/cucumber-ruby,cucumber/cucumber-ruby,dg-ratiodata/cucumber-ruby,phoebeclarke/cucumber-ruby,dchelimsky/cucumber,tom025/cucumber,danascheider/cucumber-ruby,brasmusson/cucumber,jarib/cucumber,sideci-sample/sideci-sample-cucumber,tom025/cucumber,enkessler/cucumber-ruby,enkessler/cucumber-ruby,CW5000/CWFDerpy,twalpole/cucumber,shivashankar2020/mands,brasmusson/cucumber,danascheider/cucumber-ruby,jarib/cucumber,marxarelli/cucumber,richarda/cucumber,shivashankar2020/mands,nfredrik/cucumber-ruby,cucumber/cucumber-ruby,dg-ratiodata/cucumber-ruby,martinma4/cucumber-ruby,phoebeclarke/cucumber-ruby,jasonkarns/cucumber-ruby,dg-ratiodata/cucumber-ruby,martinma4/cucumber-ruby,marxarelli/cucumber,jarib/cucumber,shivashankar2020/mands,nfredrik/cucumber-ruby,shadow000902/cucumber-ruby,twalpole/cucumber,shadow000902/cucumber-ruby,dchelimsky/cucumber