Question: Will parallel running mess up invocation counts?

[papadeltasierra]

I have a set of tests and they currently run sequentially but what I found was this:

• Test 1 checks "did I call X() exactly once" and passes
• Test 2 checks "did I call X() exactly once" and fails (the count is 2)
• Test 3 checks "did I call X() exactly once" and fails (the count is 3)

The fix was simply to ensure that the invocation count get cleared after each test using ...Invocations.Clear().

But now colleagues want to run the tests in parallel and I'm wondering will each parallel instance get its own invocation counts storage or are the parallel instances going to access a common set of counts with chaos being the result?