chore: format evm address unit tests with black (hiero-ledger#1536)

Signed-off-by: Kunal Siyag <kunalsiyag@rediffmail.com>
Signed-off-by: K.S. <110692325+KunalSiyag@users.noreply.github.com>

Author: KunalSiyag

CHANGELOG.md

@@ -11,6 +11,8 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 ### Tests
 - Format account test files with Black (#1519)
 - Improve unit test coverage for `Hbar`, including edge cases, validation, comparisons, and hashing. (#1483)
+- Standardize formatting of `evm_address_test.py` using Black for improved consistency and readability (#1529)
+- Formatted unit test files using Black.
 - Format `tests/unit/network_tls_test.py` with black for code style consistency (#1543)
 
 ### Added

tests/unit/evm_address_test.py

@@ -3,6 +3,7 @@
 
 pytestmark = pytest.mark.unit
 
+
 def test_from_string_without_prefix():
     """Test creating EvmAddress from valid 40-character hex string."""
     hex_str = "1234567890abcdef1234567890abcdef12345678"
@@ -12,6 +13,7 @@ def test_from_string_without_prefix():
     assert addr.to_string() == hex_str
     assert len(addr.address_bytes) == 20
 
+
 def test_from_string_with_0x_prefix():
     """Test creating EvmAddress from valid hex string with '0x' prefix."""
     hex_str = "0x1234567890abcdef1234567890abcdef12345678"
@@ -21,16 +23,19 @@ def test_from_string_with_0x_prefix():
     assert addr.to_string() == hex_str[2:]
     assert len(addr.address_bytes) == 20
 
+
 def test_from_string_invalid_length():
     """Test ValueError for invalid hex string length."""
     with pytest.raises(ValueError):
         EvmAddress.from_string("0x1234")
 
+
 def test_from_string_invalid_hex_characters():
     """Test ValueError for invalid hex characters."""
     with pytest.raises(ValueError):
         EvmAddress.from_string("0xZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ")
 
+
 def test_from_bytes_valid():
     """Test creating EvmAddress from 20 bytes."""
     raw = bytes(range(20))
@@ -40,11 +45,13 @@ def test_from_bytes_valid():
     assert addr.address_bytes == raw
     assert addr.to_string() == raw.hex()
 
+
 def test_from_bytes_invalid_length():
     """Test ValueError for byte length not equal to 20."""
     with pytest.raises(ValueError):
         EvmAddress.from_bytes(bytes(range(10)))
 
+
 def test_equality():
     """Test equality and hash behavior."""
     raw = bytes(range(20))