test_isolate: prevent concurrent execution
commitfbedef35186609f9e1cdedaa3a9d2a016423fe82
authorEric Wong <normalperson@yhbt.net>
Fri, 7 Jan 2011 19:55:12 +0000 (7 11:55 -0800)
committerEric Wong <normalperson@yhbt.net>
Fri, 7 Jan 2011 19:57:17 +0000 (7 11:57 -0800)
treeb2d45fb0d79ef7ff96a791f653f8521d83fb150a
parentefbdc44a5a301e5ea16d5135afaa9cda3a33f5d3
test_isolate: prevent concurrent execution

I realize this lock overly covers different versions of
Ruby, but it's simple and we don't need to invoke isolate
too often (we hope).
t/test_isolate.rb