diff --git a/lib/tests/functionLibraryTests.sh b/lib/tests/functionLibraryTests.sh
index 8b5e8b9dc..9196a3420 100644
--- a/lib/tests/functionLibraryTests.sh
+++ b/lib/tests/functionLibraryTests.sh
@@ -16,7 +16,11 @@
 
 scriptLocation=$0
 scriptDir="${scriptLocation%/*}/"
+[[ ! -x "${scriptDir}" ]] && echo "D1: ${scriptDir}"
+[[ ! "${scriptDir}" =~ .*tests/$ ]] && echo "D2: ${scriptDir}"
+[[ ! -x "${scriptDir}" || ! "${scriptDir}" =~ .*tests/$ ]] && echo "D3: ${scriptDir}"
 [[ ! -x "${scriptDir}" || ! "${scriptDir}" =~ .*tests/$ ]] && scriptDir="./"
+[[ ! -x "${scriptDir}/../functionLibrary.sh" ]] && echo "D4: ${scriptDir}"
 [[ ! -x "${scriptDir}/../functionLibrary.sh" ]] && echo "Error: Please launch this script with a full path, or from within the test directory." && exit 1
 
 source "${scriptDir}/../functionLibrary.sh"