Index: build/test/tests/09-smallzip-nobase.sh
==================================================================
--- build/test/tests/09-smallzip-nobase.sh
+++ build/test/tests/09-smallzip-nobase.sh
@@ -1,8 +1,8 @@
 #! /bin/bash
 
-TMPFILE="${TMPDIR:-/tmp}/testzip-$$${RANDOM}${RANDOM}${RANDOM}.zip"
+TMPFILE="${TMPDIR:-/tmp}/DELETEME_testzip-$$${RANDOM}${RANDOM}${RANDOM}.zip"
 export TMPFILE
 
 cat << \__EOF__ | base64 -d > "${TMPFILE}"
 IyEvdXNyL2Jpbi9lbnYgdGNsa2l0CiMgVGhpcyBpcyBhIHppcC1iYXNlZCBUY2wgTW9kdWxlCnBh
 Y2thZ2UgcmVxdWlyZSB2ZnM6OnppcAp2ZnM6OnppcDo6TW91bnQgW2luZm8gc2NyaXB0XSBbaW5m

Index: build/test/tests/10-smallzip-withbase.sh
==================================================================
--- build/test/tests/10-smallzip-withbase.sh
+++ build/test/tests/10-smallzip-withbase.sh
@@ -1,8 +1,8 @@
 #! /bin/bash
 
-TMPFILE="${TMPDIR:-/tmp}/testzip-$$${RANDOM}${RANDOM}${RANDOM}.zip"
+TMPFILE="${TMPDIR:-/tmp}/DELETEME_testzip-$$${RANDOM}${RANDOM}${RANDOM}.zip"
 export TMPFILE
 
 cat << \__EOF__ | base64 -d > "${TMPFILE}"
 IyEgL3Vzci9iaW4vZW52IHRjbHNoCgpwYWNrYWdlIHJlcXVpcmUgdmZzOjp6aXAKdmZzOjp6aXA6
 Ok1vdW50IFtpbmZvIHNjcmlwdF0gW2luZm8gc2NyaXB0XQpzb3VyY2UgW2ZpbGUgam9pbiBbaW5m