chore(build): 테스트 JVM 메모리 설정을 고정한다

build.gradle.kts

@@ -102,11 +102,13 @@ tasks.withType<KotlinCompile> {
 tasks.withType<Test> {
     useJUnitPlatform()
 
-    val springContextCacheMaxSize = (project.findProperty("test.springContextCacheMaxSize") as String?) ?: "1"
+    val springContextCacheMaxSize = "1"
-    maxHeapSize = (project.findProperty("testMaxHeap") as String?) ?: "1536m"
+    maxHeapSize = "1024m"
+    maxParallelForks = 1
 
     jvmArgs(
         "-Dfile.encoding=UTF-8",
+        "-XX:+HeapDumpOnOutOfMemoryError",
         "-Dspring.test.context.cache.maxSize=$springContextCacheMaxSize"
     )
 }