Minor test refactoring (combine single-case class to bigger one) #4213

Job	Run time
build (8, ubuntu-22.04)	1m 53s
build (11, ubuntu-22.04)	53s
build (17, ubuntu-22.04)	48s
build (21, ubuntu-22.04)	1m 9s
build (22, ubuntu-22.04)	46s
build (8, windows-latest, W)	2m 11s
Trigger v2 dep builds	0s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-modules-base)	13s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-modules-java8)	11s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-dataformats-binary)	14s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-dataformats-text)	13s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-dataformat-xml)	12s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-datatypes-collections)	13s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-datatypes-misc)	12s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-module-kotlin)	12s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-module-scala)	13s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-jaxrs-providers)	12s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-jakarta-rs-providers)	12s
Trigger v3 dep builds / Trigger downstream builds (FasterXML/jackson-integration-tests)	11s
	10m 8s

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