Fixed some tests, added trial macOS build

1 files changed, 5 insertions, 2 deletions

diff --git a/tests/exec.test b/tests/exec.test
index b07099b..af7aae5 100644
--- a/tests/exec.test
+++ b/tests/exec.test
@@ -24,7 +24,8 @@ package require tcltests
 # All tests require the "exec" command.
 # Skip them if exec is not defined.
 testConstraint exec [llength [info commands exec]]
-testConstraint noosx [expr {![info exists ::env(TRAVIS_OSX_IMAGE)] || ![string match xcode* $::env(TRAVIS_OSX_IMAGE)]}]
+# Some skips when running in a macOS CI environment
+testConstraint noosxCI [expr {![info exists ::env(MAC_CI)]}]
 
 unset -nocomplain path
 
@@ -671,7 +672,9 @@ test exec-18.2 {exec cat deals with weird file names} -body {
 # Note that this test cannot be adapted to work on Windows; that platform has
 # no kernel support for an analog of O_APPEND. OTOH, that means we can assume
 # that there is a POSIX shell...
-test exec-19.1 {exec >> uses O_APPEND} -constraints {exec unix notValgrind noosx} -setup {
+#
+# This test also fails in some cases when building with macOS
+test exec-19.1 {exec >> uses O_APPEND} -constraints {exec unix notValgrind noosxCI} -setup {
     set tmpfile [makeFile {0} tmpfile.exec-19.1]
 } -body {
     # Note that we have to allow for the current contents of the temporary