diff --git a/examples/context_propagation/README.md b/examples/context_propagation/README.md
index 9966bcd..9bd5ad2 100644
--- a/examples/context_propagation/README.md
+++ b/examples/context_propagation/README.md
@@ -44,3 +44,5 @@ In this example, a C++ client calls a MATLAB function hosted on MATLAB Productio
    contextprop_example_client
    ```
 5. Check for expected spans in the OpenTelemetry Collector or in a specified tracing backend.
+
+**NOTE:** In the first call to MATLAB Production Server, it needs to perform a significant amount of loading and initialization, and as a result the client may time out and return an error status. This should only happen in the first call and not in subsequent calls.
diff --git a/test/tmetrics_sdk.m b/test/tmetrics_sdk.m
index a4f7091..2ee2533 100644
--- a/test/tmetrics_sdk.m
+++ b/test/tmetrics_sdk.m
@@ -95,6 +95,7 @@ function testOtlpFileExporter(testCase)
             ct.add(val);
 
             % fetch result
+            forceFlush(p);
             clear("ct", "mt", "p");
             results = jsondecode(fileread(alias));
 
@@ -539,4 +540,4 @@ function testCleanupApi(testCase)
             verifyEmpty(testCase, results);
         end
     end
-end
\ No newline at end of file
+end