diff --git a/CondCore/BeamSpotPlugins/test/testBeamSpotPayloadInspector.cpp b/CondCore/BeamSpotPlugins/test/testBeamSpotPayloadInspector.cpp
index 06aa0a6162ab7..7bb6c277123dc 100644
--- a/CondCore/BeamSpotPlugins/test/testBeamSpotPayloadInspector.cpp
+++ b/CondCore/BeamSpotPlugins/test/testBeamSpotPayloadInspector.cpp
@@ -51,10 +51,33 @@ int main(int argc, char** argv) {
 
   tag = "BeamSpotOnlineTestLegacy";
   start = static_cast<unsigned long long>(1443392479297557);
+  end = static_cast<unsigned long long>(1470910334763033);
+
+  edm::LogPrint("") << "###########################################################################\n"
+                    << "                              DISCLAIMER\n"
+                    << " The following unit test is going to print error messages about\n"
+                    << " out-of-range indices for the BeamSpotOnlineParameters.\n"
+                    << " This normal and expected, since the test payload has been written \n"
+                    << " with an obsolete data layout which doesn't contain few additional \n"
+                    << " parameters, see https://github.com/cms-sw/cmssw/pull/35338 for details. \n"
+                    << " This tests the catching of exceptions coming from reading not existing \n"
+                    << " parameters in the Payload inspector.\n";
 
   BeamSpotOnlineParameters histoOnlineParameters;
   histoOnlineParameters.process(connectionString, PI::mk_input(tag, start, start));
   edm::LogPrint("testBeamSpotPayloadInspector") << histoOnlineParameters.data() << std::endl;
 
+  BeamSpotOnlineParametersDiffSingleTag histoOnlineParametersDiff;
+  histoOnlineParametersDiff.process(connectionString, PI::mk_input(tag, start, end));
+  edm::LogPrint("testBeamSpotPayloadInspector") << histoOnlineParametersDiff.data() << std::endl;
+
+  tag1 = "BeamSpotOnlineObjects_Ideal_Centered_SLHC_v3_mc";
+  tag2 = "BeamSpotOnlineObjects_Realistic25ns_13TeVCollisions_RoundOpticsLowSigmaZ_RunBased_v1_mc";
+  start = static_cast<unsigned long long>(4294967297); /*Run 1 : LS 1 (packed: 4294967297) this needs to be per LS */
+
+  BeamSpotOnlineParametersDiffTwoTags histoOnlineParametersDiffTwoTags;
+  histoOnlineParametersDiffTwoTags.process(connectionString, PI::mk_input(tag1, start, start, tag2, start, start));
+  edm::LogPrint("testBeamSpotPayloadInspector") << histoOnlineParametersDiffTwoTags.data() << std::endl;
+
   Py_Finalize();
 }