diff --git a/tests/Test.py b/tests/Test.py
index 971921302..98b395a56 100644
--- a/tests/Test.py
+++ b/tests/Test.py
@@ -37,7 +37,7 @@ class Test(ABC) :
             rm_dirs = ["configs", "plugins", "www"]
             for rm_dir in rm_dirs :
                 if isdir(rm_dir) :
-                    run("rm -rf /tmp/bw-data/" + rm_dir, shell=True)
+                    run("sudo rm -rf /tmp/bw-data/" + rm_dir, shell=True)
             if not isdir("/tmp/tests") :
                 mkdir("/tmp/tests")
         except :
@@ -52,9 +52,9 @@ class Test(ABC) :
             rm_dirs = ["configs", "plugins", "www"]
             for rm_dir in rm_dirs :
                 if isdir("/tmp/bw-data/" + rm_dir) :
-                    run("rm -rf /tmp/bw-data/" + rm_dir, shell=True)
+                    run("sudo rm -rf /tmp/bw-data/" + rm_dir, shell=True)
             if isdir("/tmp/tests/" + self._name) :
-                run("/tmp/tests/" + self._name, shell=True)
+                run("sudo rm -rf /tmp/tests/" + self._name, shell=True)
             copytree("./examples/" + self._name, "/tmp/tests/" + self._name)
         except :
             self._log("exception while running Test._setup_test()\n" + format_exc(), error=True)