fix(test): use RocksDB engine for ARM64 test runs

ARM64 lacks LevelDB JNI native library (leveldbjni). Configure Gradle
test task to set tron.test.db.engine=ROCKSDB and exclude LevelDB-only
tests on ARM64, matching testWithRocksDb task behavior.

Author: vividctrlalt

framework/build.gradle

@@ -118,6 +118,10 @@ test {
         destinationFile = file("$buildDir/jacoco/jacocoTest.exec")
         classDumpDir = file("$buildDir/jacoco/classpathdumps")
     }
+    if (rootProject.archInfo.isArm64) {
+        systemProperty 'tron.test.db.engine', 'ROCKSDB'
+        exclude '**/LevelDbDataSourceImplTest.class'
+    }
     if (isWindows()) {
         exclude '**/ShieldedTransferActuatorTest.class'
         exclude '**/BackupDbUtilTest.class'