Rename neofs to frostfs

Signed-off-by: Yulia Kovshova <y.kovshova@yadro.com>

src/frostfs_testlib/reporter/interfaces.py

@@ -0,0 +1,28 @@
+from abc import ABC, abstractmethod
+from contextlib import AbstractContextManager
+from typing import Any
+
+
+class ReporterHandler(ABC):
+    """Interface of handler that stores test artifacts in some reporting tool."""
+
+    @abstractmethod
+    def step(self, name: str) -> AbstractContextManager:
+        """Register a new step in test execution.
+
+        Args:
+            name: Name of the step.
+
+        Returns:
+            Step context.
+        """
+
+    @abstractmethod
+    def attach(self, content: Any, file_name: str) -> None:
+        """Attach specified content with given file name to the test report.
+
+        Args:
+            content: Content to attach. If content value is not a string, it will be
+                converted to a string.
+            file_name: File name of attachment.
+        """