test: add DisabledIfHeadless annotation to selectively disabling tests in headless mode
diff --git a/src/jorphan/src/testFixtures/kotlin/org/apache/jmeter/test/gui/DisabledIfHeadless.kt b/src/jorphan/src/testFixtures/kotlin/org/apache/jmeter/test/gui/DisabledIfHeadless.kt
new file mode 100644
index 0000000..d63af7c
--- /dev/null
+++ b/src/jorphan/src/testFixtures/kotlin/org/apache/jmeter/test/gui/DisabledIfHeadless.kt
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.jmeter.test.gui
+
+import org.junit.jupiter.api.condition.DisabledIfSystemProperty
+
+/**
+ * Disables test class or method if running in headless mode.
+ */
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.FUNCTION, AnnotationTarget.CLASS)
+@DisabledIfSystemProperty(named = "java.awt.headless", matches = "true")
+annotation class DisabledIfHeadless