test(config): add tests for event.subscribe.enable and CLI --es override

Author: vividctrlalt

framework/src/test/java/org/tron/core/config/args/ArgsTest.java

@@ -319,6 +319,28 @@ public void testCliOverridesStorageConfig() {
     Args.clearParam();
   }
 
+  /**
+   * Verify that event.subscribe.enable = false from config is read correctly.
+   */
+  @Test
+  public void testEventSubscribeFromConfig() {
+    Args.setParam(new String[] {}, TestConstants.TEST_CONF);
+    Assert.assertFalse(Args.getInstance().isEventSubscribe());
+    Args.clearParam();
+  }
+
+  /**
+   * Verify that CLI --es overrides event.subscribe.enable from config.
+   * config-test.conf defines: event.subscribe.enable = false,
+   * passing --es explicitly sets eventSubscribe = true, overriding config.
+   */
+  @Test
+  public void testCliEsOverridesConfig() {
+    Args.setParam(new String[] {"--es"}, TestConstants.TEST_CONF);
+    Assert.assertTrue(Args.getInstance().isEventSubscribe());
+    Args.clearParam();
+  }
+
   /**
    * Verify that config file storage values are applied when no CLI override is present.
    *

framework/src/test/resources/config-test.conf

@@ -382,4 +382,8 @@ rate.limiter.http = [
 ]
 
 node.dynamicConfig.enable = true
+
+event.subscribe = {
+  enable = false
+}
 node.dynamicConfig.checkInterval = 0