test(logging); add tests for setup_handler and setup_formatter function

uv.lock

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@@ -140,6 +170,7 @@ version = "0.1.0"
 source = { editable = "." }
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+    { name = "pytest" },
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     { name = "mypy", marker = "extra == 'dev'", specifier = ">=2.3.0" },
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