docs: Add example test for LabelExpression.

Closes #1077.

neo4j-cypher-dsl/src/test/java/org/neo4j/cypherdsl/core/CypherTest.java

@@ -37,6 +37,8 @@
  */
 class CypherTest {
 
+
+
 	@Test
 	void sortDirectionShouldBeSpecified() {
 

neo4j-cypher-dsl/src/test/java/org/neo4j/cypherdsl/core/LabelExpressionTest.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2019-2024 "Neo4j,"
+ * Neo4j Sweden AB [https://neo4j.com]
+ *
+ * This file is part of Neo4j.
+ *
+ * Licensed 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
+ *
+ *     https://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.neo4j.cypherdsl.core;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.Test;
+
+class LabelExpressionTest {
+
+	@Test // GH-1077
+	void labelExpressionsShouldWork1() {
+
+		var node = Cypher.node(new LabelExpression("Person").or(new LabelExpression("Organization"))).named("n");
+		var cypher = Cypher.match(node).returning(node).build().getCypher();
+
+		assertThat(cypher).isEqualTo("MATCH (n:`Person`|`Organization`) RETURN n");
+	}
+
+	@Test // GH-1077
+	void labelExpressionsShouldWork2() {
+
+		var node = Cypher.node(new LabelExpression("Person").or(new LabelExpression("Organization"))
+			.and(new LabelExpression("Sanctioned").negate())).named("n");
+		var cypher = Cypher.match(node).returning(node).build().getCypher();
+
+		assertThat(cypher).isEqualTo("MATCH (n:(`Person`|`Organization`)&!`Sanctioned`) RETURN n");
+	}
+}