[PATCH v2 1/2] test: remove "Generate some messages" test from raw

Before the change, the first subtest in raw format tests just generated messages and checked that they are added successfully. This is not really a raw format test, it is creating of environment required for other subtests to run. The patch removes the first subtest from raw and replaces it with

[PATCH v2 1/2] test: remove "Generate some messages" test from raw

Before the change, the first subtest in raw format tests just generated messages and checked that they are added successfully. This is not really a raw format test, it is creating of environment required for other subtests to run. The patch removes the first subtest from raw and replaces it with