diff --git a/tests/AutoconfTest.py b/tests/AutoconfTest.py
index cd79c0333..10e4292ca 100644
--- a/tests/AutoconfTest.py
+++ b/tests/AutoconfTest.py
@@ -90,12 +90,9 @@ class AutoconfTest(Test) :
                 if proc.returncode != 0 :
                     raise(Exception("setup-autoconf failed"))
             if isdir(example_data) :
-                proc = run("sudo ls " + example_data, shell=True, capture_output=True)
-                for cp_dir in proc.stdout.decode().splitlines() :
-                    if isdir(join(example_data, cp_dir)) :
-                        if isdir(join("/tmp/bw-data", cp_dir)) :
-                            run("sudo rm -rf " + join("/tmp/bw-data", cp_dir), shell=True)
-                        copytree(join(example_data, cp_dir), join("/tmp/bw-data", cp_dir))
+                proc = run("sudo cp -rp " + example_data + "/* /tmp/bw-data", shell=True)
+                if proc.returncode != 0 :
+                    raise(Exception("cp bw-data failed"))
             proc = run("docker-compose -f autoconf.yml pull", shell=True, cwd=test)
             if proc.returncode != 0 :
                 raise(Exception("docker-compose pull failed"))
diff --git a/tests/DockerTest.py b/tests/DockerTest.py
index 81921e8d1..cec9efa70 100644
--- a/tests/DockerTest.py
+++ b/tests/DockerTest.py
@@ -49,12 +49,9 @@ class DockerTest(Test) :
                 if proc.returncode != 0 :
                     raise(Exception("setup-docker failed"))
             if isdir(example_data) :
-                proc = run("sudo ls " + example_data, shell=True, capture_output=True)
-                for cp_dir in proc.stdout.decode().splitlines() :
-                    if isdir(join(example_data, cp_dir)) :
-                        if isdir(join("/tmp/bw-data", cp_dir)) :
-                            run("sudo rm -rf " + join("/tmp/bw-data", cp_dir), shell=True)
-                        copytree(join(example_data, cp_dir), join("/tmp/bw-data", cp_dir))
+                proc = run("sudo cp -rp " + example_data + "/* /tmp/bw-data", shell=True)
+                if proc.returncode != 0 :
+                    raise(Exception("cp bw-data failed"))
             proc = run("docker-compose pull", shell=True, cwd=test)
             if proc.returncode != 0 :
                 raise(Exception("docker-compose pull failed"))