Summaries for tests generated by fuzzer are generated not in the summary module

[amandelpie]

Description

The main purpose of this issue is just refactoring without behavior changes

Now, the NameSuggester API in fuzzing module is responsible for the name/display name generation.
At this moment we could differ tests generated by fuzzer and by symbolic execution according #581 and as a result could share the same approaches to name methods, generate comments and display names.

Expected behavior

After moving names/display names generation for tests generated by fuzzer to the summary module we will have the unite stage for test/names/generations.

Also it could lead to the benefits with special custom tags in JavaDocs for tests generated by fuzzer only.

NOTE: need to add some tests for generated names/display names