test fix

Signed-off-by: Aditya Khera <kheraadi@amazon.com>

Author: Aditya Khera

server/src/test/java/org/opensearch/index/MergeSchedulerSettingsTests.java

@@ -165,6 +165,9 @@ public void testMaxThreadAndMergeCount() {
         assertThat(exc.getMessage(), containsString("maxThreadCount (= 10) should be <= maxMergeCount (= 4)"));
 
         IndexSettings settings = new IndexSettings(createMetadata(-1, -1, 2), Settings.EMPTY);
+        assertTrue(NODE_PROCESSORS_SETTING.exists(settings.getSettings()));
+        assertEquals("NODE_PROCESSORS_SETTING expected to be 2, found " + NODE_PROCESSORS_SETTING.get(settings.getSettings()),
+            2, (int) NODE_PROCESSORS_SETTING.get(settings.getSettings()));
         assertEquals(1, settings.getMergeSchedulerConfig().getMaxThreadCount());
         assertEquals(6, settings.getMergeSchedulerConfig().getMaxMergeCount());