diff --git a/contest/hw/hwksft.py b/contest/hw/hwksft.py
index 281810c..87da763 100644
--- a/contest/hw/hwksft.py
+++ b/contest/hw/hwksft.py
@@ -369,6 +369,7 @@ def test(binfo, rinfo, cbarg):  # pylint: disable=unused-argument
         except Exception as e:
             print(f"Warning: failed to close reservation {reservation_id}: {e}")
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
     print("Done at", datetime.datetime.now())
     if cases is None:
         cases = [{
diff --git a/contest/remote/exec.py b/contest/remote/exec.py
index 47454e1..5aef25f 100755
--- a/contest/remote/exec.py
+++ b/contest/remote/exec.py
@@ -76,6 +76,9 @@ def test(binfo, rinfo, config):
            config.get('local', 'results_path') + '/' + \
            rinfo['run-cookie']
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
+    print("Done at", datetime.datetime.now())
+
     return [{'test': config.get('executor', 'test'),
              'group': config.get('executor', 'group'),
              'result': res, 'link': link}]
diff --git a/contest/remote/gh.py b/contest/remote/gh.py
index 6db9f3e..a70d45d 100755
--- a/contest/remote/gh.py
+++ b/contest/remote/gh.py
@@ -219,6 +219,9 @@ def test(binfo, rinfo, cbarg):
                 one['retry'] = one2['result']
                 break
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
+    print("Done at", datetime.datetime.now())
+
     return res
 
 
diff --git a/contest/remote/kunit.py b/contest/remote/kunit.py
index bdfa2fd..f0105fe 100755
--- a/contest/remote/kunit.py
+++ b/contest/remote/kunit.py
@@ -194,6 +194,7 @@ def test(binfo, rinfo, config):
                   'group': config.get('executor', 'group'),
                   'result': 'fail', 'link': link}]
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
     print("Done at", datetime.datetime.now())
 
     return cases
diff --git a/contest/remote/vmksft-p.py b/contest/remote/vmksft-p.py
index 1aeaaa9..c605652 100755
--- a/contest/remote/vmksft-p.py
+++ b/contest/remote/vmksft-p.py
@@ -317,6 +317,7 @@ def test(binfo, rinfo, cbarg):
     if not in_queue.empty():
         print("ERROR: in queue is not empty")
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
     print("Done at", datetime.datetime.now())
 
     return cases
diff --git a/contest/remote/vmksft.py b/contest/remote/vmksft.py
index a738f0f..2fc0b66 100755
--- a/contest/remote/vmksft.py
+++ b/contest/remote/vmksft.py
@@ -221,6 +221,7 @@ def test(binfo, rinfo, cbarg):
     vm.stop()
     vm.dump_log(results_path + '/vm-stop')
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
     print("Done at", datetime.datetime.now())
 
     return cases
diff --git a/contest/remote/vmtest.py b/contest/remote/vmtest.py
index a2ca5b1..7d0dc5a 100755
--- a/contest/remote/vmtest.py
+++ b/contest/remote/vmtest.py
@@ -129,6 +129,7 @@ def test(binfo, rinfo, cbarg):
     vm.stop()
     vm.dump_log(results_path + '/vm-stop-' + str(vm_id))
 
+    os.mknod(os.path.join(results_path, ".tester_done"))
     print("Done at", datetime.datetime.now())
 
     return cases