disable exemplars for grpc test

Author: dashpole

instrumentation/google.golang.org/grpc/otelgrpc/test/grpc_stats_handler_test.go

@@ -59,6 +59,7 @@ func TestStatsHandler(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			t.Setenv("OTEL_METRICS_EXEMPLAR_FILTER", "always_off")
 			clientSR := tracetest.NewSpanRecorder()
 			clientTP := trace.NewTracerProvider(trace.WithSpanProcessor(clientSR))
 			clientMetricReader := metric.NewManualReader()

instrumentation/google.golang.org/grpc/otelgrpc/test/grpc_test.go

@@ -79,6 +79,7 @@ func doCalls(ctx context.Context, client pb.TestServiceClient) {
 }
 
 func TestInterceptors(t *testing.T) {
+	t.Setenv("OTEL_METRICS_EXEMPLAR_FILTER", "always_off")
 	clientUnarySR := tracetest.NewSpanRecorder()
 	clientUnaryTP := trace.NewTracerProvider(trace.WithSpanProcessor(clientUnarySR))
 

instrumentation/google.golang.org/grpc/otelgrpc/test/interceptor_test.go

@@ -857,6 +857,7 @@ func TestUnaryServerInterceptor(t *testing.T) {
 	for _, check := range serverChecks {
 		name := check.grpcCode.String()
 		t.Run(name, func(t *testing.T) {
+			t.Setenv("OTEL_METRICS_EXEMPLAR_FILTER", "always_off")
 			sr := tracetest.NewSpanRecorder()
 			tp := trace.NewTracerProvider(trace.WithSpanProcessor(sr))
 

instrumentation/google.golang.org/grpc/otelgrpc/test/stats_handler_test.go

@@ -27,6 +27,7 @@ func TestStatsHandlerHandleRPCServerErrors(t *testing.T) {
 	for _, check := range serverChecks {
 		name := check.grpcCode.String()
 		t.Run(name, func(t *testing.T) {
+			t.Setenv("OTEL_METRICS_EXEMPLAR_FILTER", "always_off")
 			sr := tracetest.NewSpanRecorder()
 			tp := trace.NewTracerProvider(trace.WithSpanProcessor(sr))