* Rewrite smtp unittest tests to pytest style
test functions.
.coverage.rc --> Remove homeassistant/component/smtp/notify.py from
omit section.
test_notify.py --> Convert test case to pytest style.
test.jpg, test.pdf --> Add test files.
Issue id:- #40894
* Made Fix Based On Code Review
To Pull Request - #41720.
.coveragerc --> Add file in omit section as coverage is 75%(i.e. <95%)
test_notify.py --> Capitalize constant in file, Made parametrized data
compatible to avoid if conditions.
Code Review Submission on Pull Request #41720.
* Made Fix Based On Code Review
To Pull Request #41720.
test_notify.py --> Add different test for simple text message to avoid if conditions check in code.
* Move Notify Media Files To
Folder tests/testing_config/notify.
test_notify.py --> Add Relevant Path For .jpg and .pdf file.
test.jpg, test.pdf --> Move to relevant location.
Pull request #41720
