t/pmc/bytebuffer.t: Fails when ICU is not present

[jkeenan]

I am told by mikehh that t/pmc/bytebuffer.t is newly added. It fails when ICU is not present on the test box.

[parrot] 513 $ prove  -v t/pmc/bytebuffer.t
t/pmc/bytebuffer.t .. no ICU lib loaded
Dubious, test returned 1 (wstat 256, 0x100)
No subtests run 

Test Summary Report
-------------------
t/pmc/bytebuffer.t (Wstat: 256 Tests: 0 Failed: 0)
  Non-zero exit status: 1
  Parse errors: No plan found in TAP output
Files=1, Tests=0,  4 wallclock secs 
    ( 0.10 usr  0.04 sys +  0.03 cusr  0.08 csys =  0.25 CPU)
Result: FAIL

This failure was observed during both make coretest and make test on a Darwin/PPC box where ICU is not known to be installed.

The test needs to be modified to check for ICU and SKIP if it is not present.

[NotFound]

Fixed in r47526.