chore: run black fmt on /tests

Run formatter on python.

Signed-off-by: Egor Lazarchuk <yegorlz@amazon.co.uk>

Author: ShadowCurse

tests/host_tools/fcmetrics.py

@@ -3,8 +3,8 @@
 
 
 """Provides:
-    - Mechanism to collect and export Firecracker metrics every 60seconds to CloudWatch
-    - Utility functions to validate Firecracker metrics format and to validate Firecracker device metrics.
+- Mechanism to collect and export Firecracker metrics every 60seconds to CloudWatch
+- Utility functions to validate Firecracker metrics format and to validate Firecracker device metrics.
 """
 
 import datetime

tests/integration_tests/build/test_seccomp_no_redundant_rules.py

@@ -1,7 +1,8 @@
 # Copyright 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 # SPDX-License-Identifier: Apache-2.0
 """A test that fails if it can definitely prove a seccomp rule redundant
-(although it passing does not guarantee the converse, that all rules are definitely needed)."""
+(although it passing does not guarantee the converse, that all rules are definitely needed).
+"""
 import platform
 from pathlib import Path