diff --git a/test/functional/tools/job_environment_default.xml b/test/functional/tools/job_environment_default.xml
index f733d2623b6..cf525865152 100644
--- a/test/functional/tools/job_environment_default.xml
+++ b/test/functional/tools/job_environment_default.xml
@@ -3,6 +3,7 @@
         <container type="docker">busybox:ubuntu-14.04</container>
     </requirements>
     <command detect_errors="exit_code"><![CDATA[
+mktemp -d &&
 echo 'Writing environment properties to output files.' &&
 (>&2 echo 'Example tool stderr output.') &&
 echo \$(id -u) > '$user_id' &&
diff --git a/test/functional/tools/job_environment_default_legacy.xml b/test/functional/tools/job_environment_default_legacy.xml
index 8b5dc1f220c..3982ae18069 100644
--- a/test/functional/tools/job_environment_default_legacy.xml
+++ b/test/functional/tools/job_environment_default_legacy.xml
@@ -3,6 +3,7 @@
         <container type="docker">busybox:ubuntu-14.04</container>
     </requirements>
     <command detect_errors="exit_code"><![CDATA[
+mktemp -d &&
 echo \$(id -u) > '$user_id' &&
 echo \$(id -g) > '$group_id' &&
 echo \$(pwd) > '$pwd' &&
diff --git a/test/functional/tools/job_environment_explicit_isolated_home.xml b/test/functional/tools/job_environment_explicit_isolated_home.xml
index b00152aa361..85deee257c3 100644
--- a/test/functional/tools/job_environment_explicit_isolated_home.xml
+++ b/test/functional/tools/job_environment_explicit_isolated_home.xml
@@ -3,6 +3,7 @@
         <container type="docker">busybox:ubuntu-14.04</container>
     </requirements>
     <command use_shared_home="false"><![CDATA[
+mktemp -d &&
 echo \$(id -u) > '$user_id' &&
 echo \$(id -g) > '$group_id' &&
 echo \$(pwd) > '$pwd' &&
diff --git a/test/functional/tools/job_environment_explicit_shared_home.xml b/test/functional/tools/job_environment_explicit_shared_home.xml
index d1ae5ab788c..5529b7a9577 100644
--- a/test/functional/tools/job_environment_explicit_shared_home.xml
+++ b/test/functional/tools/job_environment_explicit_shared_home.xml
@@ -3,6 +3,7 @@
         <container type="docker">busybox:ubuntu-14.04</container>
     </requirements>
     <command use_shared_home="true"><![CDATA[
+mktemp -d &&
 echo \$(id -u) > '$user_id' &&
 echo \$(id -g) > '$group_id' &&
 echo \$(pwd) > '$pwd' &&