tests/kernel/threads/no-multithreading: Not booting

[cinlyooi-intel]

Describe the bug
Cannot see any sign that the board is booting up

To Reproduce
Steps to reproduce the behavior:

1. mkdir build; cd build
2. cmake -DBOARD=altera_max10
3. make
4. make run

• OS: fedora29
• Toolchain zephyr
• Commit SHA or Version used: f5a4a698ec17e6a78299966a1a3fe73c3404b78d

[nashif]

boot delay was removed when running in a single thread. So it is a test setup issue, not a zephyr bug. Need to exclude this from testing or test manually.