The help/help-version test fails on AIX 7.1 and AIX 7.3.1. test-suite.log on AIX 7.1:
FAIL: tests/help/help-version ============================= env: '[': No such file or directory env: '[': No such file or directory env: '[': No such file or directory FAIL: [ 0+1 records in 0+1 records out FAIL tests/help/help-version.sh (exit status: 1) test-suite.log on AIX 7.3.1: FAIL: tests/help/help-version ============================= test: ] missing test: ] missing 0+1 records in 0+1 records out FAIL tests/help/help-version.sh (exit status: 1)