[WIP] Testing trace propagation in POTel

[antonpirker]

I want to make some proper high level tests of trace propagation.

[codecov]

❌ 46 Tests Failed:

Tests completed	Failed	Passed	Skipped
20404	46	20358	4418

View the top 3 failed test(s) by shortest run time

tests.tracing.test_trace_propagation test_trace_propagation_no_incoming_trace[traces_sample_rate=0]

Stack Traces | 0.089s run time

tests/tracing/test_trace_propagation.py:68: in test_trace_propagation_no_incoming_trace
    assert "sentry-trace" in request.headers
E   AssertionError: assert 'sentry-trace' in {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'}
E    +  where {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'} = <PreparedRequest [GET]>.headers

tests.tracing.test_trace_propagation test_trace_propagation_no_incoming_trace[traces_sample_rate=1]

Stack Traces | 0.09s run time

tests/tracing/test_trace_propagation.py:68: in test_trace_propagation_no_incoming_trace
    assert "sentry-trace" in request.headers
E   AssertionError: assert 'sentry-trace' in {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'}
E    +  where {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'} = <PreparedRequest [GET]>.headers

tests.tracing.test_trace_propagation test_trace_propagation_no_incoming_trace[traces_sample_rate=None]

Stack Traces | 0.091s run time

tests/tracing/test_trace_propagation.py:68: in test_trace_propagation_no_incoming_trace
    assert "sentry-trace" in request.headers
E   AssertionError: assert 'sentry-trace' in {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'}
E    +  where {'User-Agent': 'python-requests/2.31.0', 'Accept-Encoding': 'gzip, deflate, br', 'Accept': '*/*', 'Connection': 'keep-alive'} = <PreparedRequest [GET]>.headers

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