[test] remove a special test case #246

Job	Run time
maven-test (jruby-9.4.12.0, 8, temurin)	1m 58s
maven-test (jruby-9.4.12.0, 11, temurin)	2m 5s
maven-test (jruby-9.4.12.0, 21, temurin)	2m 2s
maven-test (jruby-9.4.12.0, 23, temurin)	1m 56s
maven-test (8, temurin, jruby-9.2.19.0)	2m 31s
maven-test (11, temurin, jruby-9.2.20.1)	2m 27s
maven-test (8, temurin, jruby-9.3.3.0)	1m 37s
maven-test (11, temurin, jruby-9.3.13.0)	2m 2s
maven-test (21, oracle, jruby-9.3.13.0)	1m 53s
maven-test (11, zulu, jruby-9.4.5.0)	2m 5s
maven-test (17, oracle, jruby-9.4.7.0)	1m 42s
maven-test (21, oracle, jruby-9.4.8.0)	1m 51s
maven-test (21, zulu, jruby-head)	2m 3s
maven-test (24, corretto, jruby-head)	1m 58s
	28m 10s

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