Add repr and str for most classes used in parametrize

Signed-off-by: Andrey Berezin <a.berezin@yadro.com>

src/frostfs_testlib/storage/dataclasses/node_base.py

@@ -7,11 +7,12 @@ import yaml
 from frostfs_testlib.hosting.config import ServiceConfig
 from frostfs_testlib.hosting.interfaces import Host
 from frostfs_testlib.storage.constants import ConfigAttributes
+from frostfs_testlib.testing.readable import HumanReadableABC
 from frostfs_testlib.utils import wallet_utils
 
 
 @dataclass
-class NodeBase(ABC):
+class NodeBase(HumanReadableABC):
     """
     Represents a node of some underlying service
     """

src/frostfs_testlib/storage/dataclasses/object_size.py

@@ -0,0 +1,13 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class ObjectSize:
+    name: str
+    value: int
+
+    def __str__(self) -> str:
+        return f"{self.name} object size"
+
+    def __repr__(self) -> str:
+        return self.__str__()