Remove irrelevant dead_code annotation and revert unrelated test changes

Co-authored-by: lalitb <[email protected]>

Author: Copilot

opentelemetry-sdk/src/logs/in_memory_exporter.rs

@@ -132,7 +132,6 @@ impl InMemoryLogExporterBuilder {
 
     /// If set, the records will not be [`InMemoryLogExporter::reset`] on shutdown.
     #[cfg(test)]
-    #[allow(dead_code)]
     pub(crate) fn keep_records_on_shutdown(self) -> Self {
         Self {
             reset_on_shutdown: false,

opentelemetry-sdk/src/logs/logger_provider.rs

@@ -607,8 +607,8 @@ mod tests {
         tracer.in_span("test-span", |cx| {
             let ambient_ctxt = cx.span().span_context().clone();
             let explicit_ctxt = TraceContext {
-                trace_id: TraceId::from_bytes([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13]),
-                span_id: SpanId::from_bytes([0, 0, 0, 0, 0, 0, 0, 14]),
+                trace_id: TraceId::from_u128(13),
+                span_id: SpanId::from_u64(14),
                 trace_flags: None,
             };