should not mutate source token references or values

org.opentest4j.TestAbortedException: Assumption failed: Benchmark token sequence class is available only when JMH sources are compiled.
	at org.junit.jupiter.api.Assumptions.throwAssumptionFailed(Assumptions.java:321)
	at org.junit.jupiter.api.Assumptions.assumeTrue(Assumptions.java:120)
	at org.egothor.stemmer.benchmark.BenchmarkTokenSequenceTest.createSequence(BenchmarkTokenSequenceTest.java:169)
	at org.egothor.stemmer.benchmark.BenchmarkTokenSequenceTest.shouldNotMutateSourceTokenValues(BenchmarkTokenSequenceTest.java:143)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)