oeqa/selftest/recipetool: Update create_go test.

oeqa/selftest/recipetool: Update create_go test.

Adjust test_recipetool_go_create test to a smaller repository.
Combine test_recipetool_go_create and test_recipetool_go_replace_modules
tests into test_recipetool_go_create, the new test performs both tests.

Signed-off-by: Alexander Yurkov <alexander.v.yurkov@gmail.com>
Signed-off-by: Vyacheslav Yurkov <uvv.mail@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>