[sakthivelmanii]

Problem

• GrpcResultSetTest.closeWhileStreamIsStartingInvokesOnDoneSynchronously hardcodes new OpenCensusSpan(BlankSpan.INSTANCE) as the parent span passed to ResumableStreamIterator, while TraceWrapper dispatches span creation based on the JVM-global SpannerOptions.getActiveTracingFramework().
• When another test class in the same Surefire JVM fork enables OpenTelemetry tracing via SpannerOptions.enableOpenTelemetryTraces() without resetting it afterward, TraceWrapper.spanBuilderWithExplicitParent casts the parent span to OpenTelemetrySpan and throws a ClassCastException.

Solution

• Create a shared TraceWrapper instance in closeWhileStreamIsStartingInvokesOnDoneSynchronously and pass tracer.getBlankSpan() as the parent span to ResumableStreamIterator so the parent span type always matches the active tracing framework.
• Remove the unused io.opencensus.trace.BlankSpan import.

[sakthivelmanii]

/gemini review

[gemini-code-assist]

Code Review

This pull request updates GrpcResultSetTest.java to dynamically resolve the blank span type using a shared TraceWrapper instance, rather than hardcoding an OpenCensusSpan with BlankSpan.INSTANCE. This ensures compatibility with the active JVM-global tracing framework, which may vary depending on other tests. Additionally, the unused BlankSpan import was removed. There are no review comments to address, so I have no further feedback to provide.

[gemini-code-assist]

Code Review

This pull request updates GrpcResultSetTest.java to dynamically resolve the parent span type based on the active tracing framework. Instead of hardcoding an OpenCensus BlankSpan, it now instantiates a TraceWrapper and retrieves a blank span from it, preventing potential type mismatches caused by JVM-global tracing state. I have no feedback to provide as there are no review comments.