public void FormatSpanIdPrefix_should_produce_same_result_as_a_substring_of_guids_tostring()
{
var context = new TraceContext(Guid.NewGuid(), Guid.NewGuid());
var expectedValue = context.SpanId.ToString().Substring(0, 8);
TracingLogPropertiesFormatter.FormatSpanIdPrefix(context).Should().Be(expectedValue);
}
public void FormatSpanIdPrefix_should_return_null_for_null_context() => TracingLogPropertiesFormatter.FormatSpanIdPrefix(null).Should().BeNull();