fix: apply prettier formatting to test files

Fix prettier formatting issues in test files and sample app.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: nirga

packages/instrumentation-langchain/test/instrumentation.test.ts

@@ -439,10 +439,7 @@ describe("Test Langchain instrumentation", async function () {
       // Test LLM span attributes like in amazon.test.ts
       const attributes = llmSpan.attributes;
       assert.strictEqual(attributes[SpanAttributes.LLM_SYSTEM], "AWS");
-      assert.strictEqual(
-        attributes[SpanAttributes.LLM_REQUEST_TYPE],
-        "chat",
-      );
+      assert.strictEqual(attributes[SpanAttributes.LLM_REQUEST_TYPE], "chat");
       assert.ok(attributes[SpanAttributes.LLM_REQUEST_MODEL]);
       assert.strictEqual(
         attributes[`${SpanAttributes.LLM_PROMPTS}.0.role`],
@@ -461,10 +458,8 @@ describe("Test Langchain instrumentation", async function () {
       assert.ok(attributes[SpanAttributes.LLM_USAGE_COMPLETION_TOKENS]);
       assert.ok(attributes[SpanAttributes.LLM_USAGE_TOTAL_TOKENS]);
     } else {
-      // Test LangChain callback handler spans - now only creates completion span  
-      const completionSpan = spans.find(
-        (span) => span.name === "bedrock.chat",
-      );
+      // Test LangChain callback handler spans - now only creates completion span
+      const completionSpan = spans.find((span) => span.name === "bedrock.chat");
 
       assert.ok(
         completionSpan,

packages/sample-app/src/sample_langchain_bedrock.ts

@@ -2,7 +2,7 @@ import "dotenv/config";
 import * as traceloop from "@traceloop/node-server-sdk";
 
 traceloop.initialize({
-  appName: "sample_langchain_bedrock", 
+  appName: "sample_langchain_bedrock",
   apiKey: process.env.TRACELOOP_API_KEY,
   disableBatch: true,
   logLevel: "debug",
@@ -14,7 +14,7 @@ import { HumanMessage } from "@langchain/core/messages";
 async function main() {
   const model = new BedrockChat({
     model: "us.anthropic.claude-3-7-sonnet-20250219-v1:0",
-    region: "us-east-1"
+    region: "us-east-1",
   });
 
   const message = new HumanMessage({
@@ -24,9 +24,9 @@ async function main() {
   console.log("About to invoke BedrockChat...");
   const response = await model.invoke([message]);
   console.log("Response received:", response);
-  
+
   // Wait for spans to be exported
-  await new Promise(resolve => setTimeout(resolve, 2000));
+  await new Promise((resolve) => setTimeout(resolve, 2000));
   console.log("Done waiting for spans");
 }