Add compiler error tip for 'missing Describe()'
Add compiler error tip for 'missing Describe()'

cgreen-devs/cgreen,thoni56/cgreen,cgreen-devs/cgreen,cgreen-devs/cgreen,cgreen-devs/cgreen,thoni56/cgreen,thoni56/cgreen,thoni56/cgreen,cgreen-devs/cgreen,thoni56/cgreen