[TEST] Add empty test case for FIPS

All other tests in security:cli are skipped on FIPS JVMs

x-pack/plugin/security/cli/src/test/java/org/elasticsearch/xpack/security/cli/TestSuiteCannotBeEmptyTests.java

@@ -0,0 +1,16 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+package org.elasticsearch.xpack.security.cli;
+
+import org.elasticsearch.test.ESTestCase;
+
+public class TestSuiteCannotBeEmptyTests extends ESTestCase {
+
+    public void testIsHereSoThisSuiteIsNonEmpty() {
+        // This is needed on a FIPS JVM as the rest of the suite is skipped
+    }
+}