test: explicitly report if we fail to install a file into the image

diff --git a/test/test-functions b/test/test-functions
index c58b009b9bb6430f2f5aaaa9f4bb40f742eaa28d..2d1d15c389c0678e64acbe10a09914a8f9d477b2 100644 (file)
--- a/test/test-functions
+++ b/test/test-functions
@@ -2358,6 +2358,8 @@ inst() {
     for fun in inst_symlink inst_script inst_binary inst_simple; do
         "$fun" "$@" && return 0
     done
+
+    dwarn "Failed to install '$1'"
     return 1
 }