Not a high-priority at all, but it'd be more sensible for such a tutorial/testing utility corpus to be implemented elsewhere - maybe under /test/ or some other data- or doc- related module – rather than in gensim.models.word2vec.

Originally posted by @gojomo in RaRe-Technologies/gensim#2939 (comment)

Is your feature request related to a problem? Please describe.
If you work on domain corpora, collecting additional training data to improve your reader or retriever models is very helpful.
For collecting training data, there are two main options:
a) Manual Labelling
b) User feedback for "live predictions"

b) is particularly promising if you don't have enough time or resources for a)