Run rails t test/models/my_model_test.rb
The output is:
r t test/models/my_model_test.rb
Running 1 tests in a single process (parallelization threshold is 50)
Run options: --seed 2478
# Running:
uninitialized constant MyModelTest::MyModel
MyModel.run_something
^^^^^^^
uninitialized constant MyModelTest::MyModel
MyModel.run_something
^^^^^^^
something