Restructure testing strategy to remove need for extra flag on build #62

Job	Run time
[jvm-build-test-java21]: springboot3	57s
[jvm-build-test-java25]: quarkus3	1m 27s
[jvm-build-test-java21]: quarkus3	1m 15s
[jvm-build-test-java25]: quarkus3-spring-compatibility	1m 50s
[jvm-build-test-java21]: quarkus3-spring-compatibility	1m 44s
[jvm-build-test-java25]: springboot3	1m 2s
	8m 15s

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