diff --git a/bin/fail b/bin/fail
new file mode 100755
index 0000000..1f8ed41
Binary files /dev/null and b/bin/fail differ
diff --git a/bin/return-specified b/bin/return-specified
new file mode 100755
index 0000000..406b9d4
Binary files /dev/null and b/bin/return-specified differ
diff --git a/bin/success b/bin/success
new file mode 100755
index 0000000..4fc9eb4
Binary files /dev/null and b/bin/success differ