Merge pull request #157 from mathworks/release_1_8_0

Release 1 8 0

Author: duncanpo

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.

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
+end