C++ tests fail on Solaris

[clauswilke]

C++ tests run via testthat::run_cpp_tests() appear to fail on Solaris. Here are three examples:

• https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/isoband-00check.html

• https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/briskaR-00check.html

• https://www.r-project.org/nosvn/R.check/r-patched-solaris-x86/testthat-00check.html

Note that the last one is for testthat itself.

[gaborcsardi]

It seems that Catch is not enabled by default on Solaris, probably for a reason:

testthat/inst/include/testthat/testthat.h

Line 14 in b684f1e

* 'testthat' is disabled on Solaris by default.

So you would need to skip or omit these test on Solaris, I am afraid.