Debugging weird error: it works on my machine...

tests/test_versions/Makefile

@@ -4,7 +4,7 @@ default: test
 
 .PHONY: test
 test: check_env clean
-	@./test.sh test.txt
+	@./test.sh debug.txt
 
 .PHONY: check_env
 check_env: guard-EPICS_BASE guard-E3_REQUIRE_VERSION

tests/test_versions/debug.txt

+# Basic set of tests.
+#
+# Note that the first entry is the requested test version (- means none requested)
+# The second entry is what is expected to be loaded (- means it is expected to fail)
+# The third and other entries are the versions to install.
+
+
+# Only load exactly the given build number if specified.
+0.0.1+0 - 0.0.1+1

tests/test_versions/test.sh

@@ -84,14 +84,18 @@ function test_require {
     search_string="^Loaded $MODULENAME version $expected\$"
   fi
 
+  echo "SEARCH STRING: $search_string"
+
   # The funny sed command here is from https://unix.stackexchange.com/a/235016/445931
   # The reason this is needed is because the "Starting iocInit" message seems to be threaded
   # differently than the regular flow of output and sometimes will separate the strings that
   # we are looking for. If we simply cut it out then we seem to be able to more consistently
   # get meaningful tests.
+  #echo exit | eval iocsh.bash "$iocsh_args" |
+  #  sed -e '1 h; 2,$ H; $! d; g' -e 's/Starting iocInit\niocRun: All initialization complete\n//' |
+  #  $__SEARCH_COMMAND__ "${search_string}"
   echo exit | eval iocsh.bash "$iocsh_args" |
-    sed -e '1 h; 2,$ H; $! d; g' -e 's/Starting iocInit\niocRun: All initialization complete\n//' |
-    $__SEARCH_COMMAND__ "${search_string}"
+    sed -e '1 h; 2,$ H; $! d; g' -e 's/Starting iocInit\niocRun: All initialization complete\n//'
 }
 
 function format_output {