diff --git a/src/frostfs_testlib/__init__.py b/src/frostfs_testlib/__init__.py
index f3143e6..1ceb972 100644
--- a/src/frostfs_testlib/__init__.py
+++ b/src/frostfs_testlib/__init__.py
@@ -1,3 +1,4 @@
 __version__ = "2.0.1"
 
 from .fixtures import configure_testlib, hosting, temp_directory
+from .hooks import pytest_collection_modifyitems
diff --git a/src/frostfs_testlib/hooks.py b/src/frostfs_testlib/hooks.py
new file mode 100644
index 0000000..6830e78
--- /dev/null
+++ b/src/frostfs_testlib/hooks.py
@@ -0,0 +1,13 @@
+import pytest
+
+
+@pytest.hookimpl
+def pytest_collection_modifyitems(items: list[pytest.Item]):
+    # All tests which reside in frostfs nodeid are granted with frostfs marker, excluding
+    # nodeid = full path of the test
+    # 1. plugins
+    # 2. testlib itself
+    for item in items:
+        location = item.location[0]
+        if "frostfs" in location and "plugin" not in location and "testlib" not in location:
+            item.add_marker("frostfs")
diff --git a/src/frostfs_testlib/utils/string_utils.py b/src/frostfs_testlib/utils/string_utils.py
index 80efa65..acbca92 100644
--- a/src/frostfs_testlib/utils/string_utils.py
+++ b/src/frostfs_testlib/utils/string_utils.py
@@ -1,3 +1,4 @@
+import itertools
 import random
 import re
 import string
@@ -7,6 +8,9 @@ ONLY_ASCII_LETTERS = string.ascii_letters
 DIGITS_AND_ASCII_LETTERS = string.ascii_letters + string.digits
 NON_DIGITS_AND_LETTERS = string.punctuation
 
+# if unique_name is called multiple times within the same microsecond, append 0-4 to the name so it surely unique
+FUSE = itertools.cycle(range(5))
+
 
 def unique_name(prefix: str = "", postfix: str = ""):
     """
@@ -18,7 +22,7 @@ def unique_name(prefix: str = "", postfix: str = ""):
     Returns:
         unique name string
     """
-    return f"{prefix}{hex(int(datetime.now().timestamp() * 1000000))}{postfix}"
+    return f"{prefix}{hex(int(datetime.now().timestamp() * 1000000))}{next(FUSE)}{postfix}"
 
 
 def random_string(length: int = 5, source: str = ONLY_ASCII_LETTERS):