Restore commented tests (#665) #557

Job	Run time
minrust	3m 2s
cross (i686-unknown-linux-gnu)	27s
loom	3m 12s
cross (armv7-unknown-linux-gnueabihf)	27s
cross (powerpc-unknown-linux-gnu)	35s
miri	8m 27s
nightly	4m 3s
cross (powerpc64-unknown-linux-gnu)	34s
rustfmt	5s
cross (wasm32-unknown-unknown)	15s
stable (ubuntu-latest)	1m 9s
tsan	3m 37s
stable (macos-latest)	2m 22s
stable (windows-latest)	2m 34s
Publish Documentation	2m 49s
	33m 38s

Provide feedback