Split "is able to step with state in multi-threaded code" in smaller tests.
Split "is able to step with state in multi-threaded code" in
smaller tests.

The test was too big so depending on the CPU, it can timeout.

This CL, split the test in a three smaller test.


Bug: 1132428
Change-Id: I68745ad6b8d48b8a6c4d6cdb3062e9c3000ac415
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2436643
Reviewed-by: Kim-Anh Tran <a72f38a79b5fac6811022b8a7fb84830d856c9c9@chromium.org>
Reviewed-by: Jack Lynch <d6fb7cfbb8c8618e756350219cb7952a0ad656b7@microsoft.com>
Commit-Queue: Jesus David Garcia Gomez <9dea6af451803ac0fa5c7a3ba05ccd5d524d607d@microsoft.com>

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