Update test config to allow concurrence

src/test/resources/junit-platform.properties

@@ -1,4 +1,6 @@
-#junit.jupiter.execution.parallel.enabled=true
-#junit.jupiter.execution.parallel.config.strategy=dynamic
-#junit.jupiter.execution.parallel.mode.default=concurrent
-#junit.jupiter.execution.parallel.mode.classes.default=concurrent
+#Enable parallel test execution
+junit.jupiter.execution.parallel.enabled=true
+#Per-function behavior
+junit.jupiter.execution.parallel.mode.default=concurrent
+#Per-class behavior
+junit.jupiter.execution.parallel.mode.classes.default=concurrent