Add more test coverage for list Operators

dbms/src/test/java/org/polypheny/db/cypher/Operators/ListOperators.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2019-2024 The Polypheny Project
+ *
+ * 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
+ *
+ * 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.polypheny.db.cypher.Operators;
+
+import javassist.bytecode.CodeIterator.Gap;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.polypheny.db.cypher.CypherTestTemplate;
+import org.polypheny.db.cypher.helper.TestLiteral;
+import org.polypheny.db.webui.models.results.GraphResult;
+
+public class ListOperators  extends CypherTestTemplate  {
+    @BeforeEach
+    public void setUp() {
+        tearDown();
+        createGraph();
+    }
+
+    @Test
+    public void  checkIfNumberInListOperatorTest()
+    {
+         GraphResult res =   execute( "RETURN 1 IN [ 1 ,2 ]" );
+         assert containsRows( res , true , false ,Row.of( TestLiteral.from( true  ) ) );
+
+         res =  execute( "RETURN 3 IN [ 1 ,2 ]" );
+         assert  containsRows( res , true , false ,Row.of( TestLiteral.from( false ) ) );
+    }
+    @Test
+    public void checkIfListInListOperatorTest()
+    {
+       GraphResult res  = execute( "RETURN [2, 1] IN [1, [2, 1], 3] " );
+       assert  containsRows( res , true , false ,Row.of( TestLiteral.from( true  ) ) );
+
+       res  = execute( "RETURN [1, 2] IN [1, 2] " );
+       assert  containsRows( res , true , false ,Row.of( TestLiteral.from( false ) ) );
+    }
+
+
+
+}