fix: use httpx for testing

[sauyon]

No description provided.

[pep8speaks]

Hello @sauyon! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file tests/integration/frameworks/models/easyocr.py:

Line 40:80: E501 line too long (80 > 79 characters)

• In the file tests/integration/frameworks/models/transformers.py:

Line 180:80: E501 line too long (170 > 79 characters)
Line 190:80: E501 line too long (170 > 79 characters)
Line 200:80: E501 line too long (84 > 79 characters)