Nit fix to LogProcessor tests (#2467)

Author: cijothomas

opentelemetry-otlp/tests/integration_test/tests/logs.rs

@@ -94,7 +94,7 @@ mod logtests {
 
         tokio::time::sleep(Duration::from_secs(10)).await;
 
-        assert_logs_results(test_utils::LOGS_FILE, "expected/logs.json");
+        assert_logs_results(test_utils::LOGS_FILE, "expected/logs.json")?;
 
         Ok(())
     }
@@ -122,7 +122,7 @@ mod logtests {
         }
         let _ = logger_provider.shutdown();
         // tokio::time::sleep(Duration::from_secs(10)).await;
-        assert_logs_results(test_utils::LOGS_FILE, "expected/logs.json");
+        assert_logs_results(test_utils::LOGS_FILE, "expected/logs.json")?;
 
         Ok(())
     }

opentelemetry-otlp/tests/integration_test/tests/traces.rs

@@ -13,7 +13,7 @@ use anyhow::Result;
 use ctor::dtor;
 use integration_test_runner::test_utils;
 use opentelemetry_proto::tonic::trace::v1::TracesData;
-use opentelemetry_sdk::{runtime, trace as sdktrace, Resource};
+use opentelemetry_sdk::{trace as sdktrace, Resource};
 use std::fs::File;
 use std::io::Write;
 use std::os::unix::fs::MetadataExt;

opentelemetry-sdk/src/logs/log_processor.rs

@@ -152,14 +152,11 @@ impl<T: LogExporter> LogProcessor for SimpleLogProcessor<T> {
 #[allow(clippy::large_enum_variant)]
 #[derive(Debug)]
 enum BatchMessage {
-    /// Export logs, usually called when the log is emitted.
+    /// Export logs, called when the log is emitted.
     ExportLog(Box<(LogRecord, InstrumentationScope)>),
-    /// Flush the current buffer to the backend, it can be triggered by
-    /// pre configured interval or a call to `force_push` function.
-    // Flush(Option<oneshot::Sender<ExportResult>>),
-    /// ForceFlush flushes the current buffer to the backend.
+    /// ForceFlush flushes the current buffer to the exporter.
     ForceFlush(mpsc::SyncSender<ExportResult>),
-    /// Shut down the worker thread, push all logs in buffer to the backend.
+    /// Shut down the worker thread, push all logs in buffer to the exporter.
     Shutdown(mpsc::SyncSender<ExportResult>),
     /// Set the resource for the exporter.
     SetResource(Arc<Resource>),