fix failing test #845

Job	Run time
sonar	6m 18s
test_IT_jdk11	4m 24s
setup	21s
E2ET_helper-scripts_jdk11	2m 24s
test_UT_multiplatform (ubuntu-latest, 11)	1m 56s
test_UT_multiplatform (windows-latest, 11)	2m 31s
test_UT_multiplatform (macos-latest, 11)	1m 41s
build_jdk11	56s
assembly_jdk11	2m 29s
E2ET_watermark-jdk11	21s
E2ET_anon-jdk11	22s
E2ET_hsqlmem-jdk11	27s
E2ET_db-jdk11	39s
E2ET_files-jdk11	43s
E2ET_script-jdk11	26s
E2ET_memstore-jdk11	27s
E2ET_postgresql-jdk11	1m 37s
E2ET_mssql-jdk11	1m 51s
E2ET_mysql-jdk11	1m 54s
E2ET_oracle-jdk11	2m 6s
publish_jdk11	1m 20s
release_jdk11	0s
trigger_ee_pipelines	3s
	35m 16s

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