add test to ensure we don't duplicate event names
add test to ensure we don't duplicate event names

refs #846 (.125)

victor-lin/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact,victor-lin/npact,victor-lin/npact,NProfileAnalysisComputationalTool/npact,NProfileAnalysisComputationalTool/npact