Consolidate e2e tests, normalize tests dir

[timkpaine]

No description provided.

[github-actions]

Test Results

1 482 tests  +12   1 446 ✅ ± 0   31s ⏱️ ±0s
    1 suites ± 0      36 💤 +12 
    1 files   ± 0       0 ❌ ± 0 

Results for commit 5f90843. ± Comparison against base commit 5db0e76.

This pull request removes 115 and adds 127 tests. Note that renamed tests count towards both.

chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_blockquote
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_code_block
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_code_block_plain
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_heading_levels
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_horizontal_rule
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_multiple_paragraphs
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_nested_blockquote
chatom.tests.test_symphony_messageml_compliance.TestBlockElements ‑ test_simple_paragraph
chatom.tests.test_symphony_messageml_compliance.TestCodeNesting ‑ test_code_in_paragraph
chatom.tests.test_symphony_messageml_compliance.TestCodeNesting ‑ test_code_inside_bold
…

chatom.tests.combined_e2e ‑ test_configured_e2e_suites
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_blockquote
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_code_block
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_code_block_plain
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_heading_levels
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_horizontal_rule
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_multiple_paragraphs
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_nested_blockquote
chatom.tests.conversion.test_symphony_messageml_compliance.TestBlockElements ‑ test_simple_paragraph
chatom.tests.conversion.test_symphony_messageml_compliance.TestCodeNesting ‑ test_code_in_paragraph
…

[codecov]

Codecov Report

❌ Patch coverage is 30.14706% with 95 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.93%. Comparing base (5db0e76) to head (5f90843).

Files with missing lines	Patch %	Lines
...tom/tests/integration/test_telegram_integration.py	29.85%	94 Missing ⚠️
chatom/examples/listen_for_messages.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #86      +/-   ##
==========================================
- Coverage   77.24%   76.93%   -0.31%     
==========================================
  Files         130      131       +1     
  Lines       20802    20936     +134     
  Branches     1744     1748       +4     
==========================================
+ Hits        16068    16108      +40     
- Misses       4361     4455      +94     
  Partials      373      373              

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