diff --git a/HeterogeneousCore/AlpakaTest/test/BuildFile.xml b/HeterogeneousCore/AlpakaTest/test/BuildFile.xml
index c53ee8acdb820..c9c3ef34c40d5 100644
--- a/HeterogeneousCore/AlpakaTest/test/BuildFile.xml
+++ b/HeterogeneousCore/AlpakaTest/test/BuildFile.xml
@@ -1,4 +1,4 @@
 <test
   name="testHeterogeneousCoreAlpakaTestWriteRead"
-  command="cmsRun ${LOCALTOP}/src/HeterogeneousCore/AlpakaTest/test/writer.py; cmsRun ${LOCALTOP}/src/HeterogeneousCore/AlpakaTest/test/reader.py"
+  command="mkdir -p testHeterogeneousCoreAlpakaTestWriteRead; cd testHeterogeneousCoreAlpakaTestWriteRead; cmsRun ${LOCALTOP}/src/HeterogeneousCore/AlpakaTest/test/writer.py; cmsRun ${LOCALTOP}/src/HeterogeneousCore/AlpakaTest/test/reader.py"
 />
diff --git a/HeterogeneousCore/CUDATest/test/BuildFile.xml b/HeterogeneousCore/CUDATest/test/BuildFile.xml
index 9009692b5e092..040638a447f2e 100644
--- a/HeterogeneousCore/CUDATest/test/BuildFile.xml
+++ b/HeterogeneousCore/CUDATest/test/BuildFile.xml
@@ -13,6 +13,6 @@
 
   <test
     name="testHeterogeneousCoreCUDATestWriteRead"
-    command="cmsRun ${LOCALTOP}/src/HeterogeneousCore/CUDATest/test/writer.py; cmsRun ${LOCALTOP}/src/HeterogeneousCore/CUDATest/test/reader.py"
+    command="mkdir -p testHeterogeneousCoreCUDATestWriteRead; cd testHeterogeneousCoreCUDATestWriteRead; cmsRun ${LOCALTOP}/src/HeterogeneousCore/CUDATest/test/writer.py; cmsRun ${LOCALTOP}/src/HeterogeneousCore/CUDATest/test/reader.py"
   />
 </iftool>