added abstract PerformanceTest;

...periment05/MethodCallThoughputTimestampAnalysis5Test.java

...examples/experiment13/MethodCallThroughputAnalysis13.java

.../examples/experiment09/MethodCallThroughputAnalysis9.java

...examples/experiment10/MethodCallThroughputAnalysis10.java

...eriment14/MethodCallThoughputTimestampAnalysis14Test.java

...examples/experiment14/MethodCallThroughputAnalysis14.java

...eriment15/MethodCallThoughputTimestampAnalysis15Test.java

...examples/experiment15/MethodCallThroughputAnalysis15.java

...eriment16/MethodCallThoughputTimestampAnalysis16Test.java

...examples/experiment16/MethodCallThroughputAnalysis16.java

...eriment17/MethodCallThoughputTimestampAnalysis17Test.java

...examples/experiment17/MethodCallThroughputAnalysis17.java

...examples/experiment18/MethodCallThroughputAnalysis18.java

src/test/java/test/PerformanceTest.java