Have BOA test assert on key statistics

[garymm]

This will make it easier to check if things are working without looking at the GUI.

Move the old race-detector test to a separate file so we can run it only when race detector is enabled. The new test is too slow with the race detector enabled, and the old test is worthless with it disabled.

And some minor clean-up in boa example:

• Get rid of global TheSim. It is not needed and confusing.
• Rename a couple of functions for clarity
• Lint violations

[etuleu]

Looks like the tests got stuck downloading some packages. I re-ran them and hopefully will work this time.

[etuleu]

Looks like the tests got stuck downloading some packages. I re-ran them and hopefully will work this time.

No actually the tests are timing out. Maybe try extending the timeout? Not sure if we want to run these in CI since they are a bit long.

[codecov-commenter]

Codecov Report

Patch coverage: 14.94% and project coverage change: -3.13 :warning:

Comparison is base (7e9561c) 40.34% compared to head (673fb36) 37.21%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #207 +/- ## ========================================== - Coverage 40.34% 37.21% -3.13% ========================================== Files 53 54 +1 Lines 10222 11030 +808 ========================================== - Hits 4124 4105 -19 - Misses 5865 6689 +824 - Partials 233 236 +3 ``` | [Impacted Files](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer) | Coverage Δ | | |---|---|---| | [axon/deep\_layers.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9kZWVwX2xheWVycy5nbw==) | `13.97% <0.00%> (-6.25%)` | :arrow_down: | | [axon/deep\_net.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9kZWVwX25ldC5nbw==) | `0.00% <0.00%> (ø)` | | | [axon/deep\_prjns.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9kZWVwX3Byam5zLmdv) | `0.00% <0.00%> (ø)` | | | [axon/layer\_compute.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9sYXllcl9jb21wdXRlLmdv) | `42.57% <0.00%> (-0.96%)` | :arrow_down: | | [axon/layertypes.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9sYXllcnR5cGVzLmdv) | `41.66% <ø> (ø)` | | | [axon/layertypes\_string.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9sYXllcnR5cGVzX3N0cmluZy5nbw==) | `16.66% <ø> (ø)` | | | [axon/networkbase.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9uZXR3b3JrYmFzZS5nbw==) | `50.52% <0.00%> (-0.08%)` | :arrow_down: | | [axon/neuron.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9uZXVyb24uZ28=) | `81.25% <ø> (ø)` | | | [axon/pcore\_net.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9wY29yZV9uZXQuZ28=) | `0.00% <0.00%> (ø)` | | | [axon/prjntypes.go](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer#diff-YXhvbi9wcmpudHlwZXMuZ28=) | `0.00% <ø> (ø)` | | | ... and [25 more](https://app.codecov.io/gh/emer/axon/pull/207?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=emer) | |

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[garymm]

I split the test into race and non-race. Overall CI is a bit slower now but it checks BOA is working at a basic level so I think it's worth it. We can adjust if it's problematic.