diff --git a/adaptive-rag/src/main/java/dev/langchain4j/adaptiverag/AdaptiveRag.java b/adaptive-rag/src/main/java/dev/langchain4j/adaptiverag/AdaptiveRag.java
index f62a5b2..08e4677 100644
--- a/adaptive-rag/src/main/java/dev/langchain4j/adaptiverag/AdaptiveRag.java
+++ b/adaptive-rag/src/main/java/dev/langchain4j/adaptiverag/AdaptiveRag.java
@@ -8,10 +8,12 @@
 import org.bsc.langgraph4j.StateGraph;
 import org.bsc.langgraph4j.state.AgentState;
 
+import java.io.FileInputStream;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.logging.LogManager;
 import java.util.stream.Collectors;
 
 import static java.util.Collections.emptyList;
@@ -57,6 +59,8 @@ public List<String> documents() {
     private final ChromaStore chroma;
 
     public AdaptiveRag( String openApiKey, String tavilyApiKey ) {
+        Objects.requireNonNull(openApiKey, "no OPENAI APIKEY provided!");
+        Objects.requireNonNull(tavilyApiKey, "no TAVILY APIKEY provided!");
         this.openApiKey = openApiKey;
         this.tavilyApiKey = tavilyApiKey;
         this.chroma = ChromaStore.of(openApiKey);
@@ -275,4 +279,29 @@ public CompiledGraph<State> buildGraph() throws Exception {
 
         return workflow.compile();
     }
+
+    public static void main( String[] args ) throws Exception {
+        try(FileInputStream configFile = new FileInputStream("logging.properties")) {
+            LogManager.getLogManager().readConfiguration(configFile);
+        };
+
+        AdaptiveRag adaptiveRagTest = new AdaptiveRag( System.getenv("OPENAI_API_KEY"), System.getenv("TAVILY_API_KEY"));
+
+        var graph = adaptiveRagTest.buildGraph();
+
+        var result = graph.stream( mapOf( "question", "What player at the Bears expected to draft first in the 2024 NFL draft?" ) );
+
+        String generation = "";
+        for( var r : result ) {
+            System.out.printf( "Node: '%s':\n", r.node() );
+
+            generation = r.state().generation().orElse( "")
+            ;
+        }
+
+        System.out.println( generation );
+
+    }
+
 }
+
diff --git a/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/AdaptiveRagTest.java b/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/AdaptiveRagTest.java
index 6ee538e..cceb921 100644
--- a/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/AdaptiveRagTest.java
+++ b/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/AdaptiveRagTest.java
@@ -136,23 +136,4 @@ public void generationTest() {
         System.out.println( result );
     }
 
-    @Test
-    public void execute() throws Exception {
-        AdaptiveRag adaptiveRagTest = new AdaptiveRag(getOpenAiKey(), getTavilyApiKey());
-
-        var graph = adaptiveRagTest.buildGraph();
-
-        var result = graph.stream( mapOf( "question", "What player at the Bears expected to draft first in the 2024 NFL draft?" ) );
-
-        String generation = "";
-        for( var r : result ) {
-            System.out.printf( "Node: '%s':\n", r.node() );
-
-            generation = r.state().generation().orElse( "")
-            ;
-        }
-
-        System.out.println( generation );
-
-    }
 }
diff --git a/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/ChromaTest.java b/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/ChromaTest.java
index 8f7332f..c6cdef2 100644
--- a/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/ChromaTest.java
+++ b/adaptive-rag/src/test/java/dev/langchain4j/adaptiverag/ChromaTest.java
@@ -8,7 +8,6 @@
 import dev.langchain4j.store.embedding.EmbeddingSearchRequest;
 import dev.langchain4j.store.embedding.EmbeddingSearchResult;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
 import dev.langchain4j.store.embedding.chroma.ChromaEmbeddingStore;
 
 import java.io.FileInputStream;