adding FetchbillByBillId

src/test/java/com/billpaymentservice/bbps/controller/TestHttpControllerTest.java

@@ -0,0 +1,28 @@
+package com.billpaymentservice.bbps.controller;
+
+import com.billpaymentservice.bbps.serviceImpl.HttpService;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+import java.util.HashMap;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+@SpringBootTest
+public class TestHttpControllerTest {
+
+    @Autowired
+    private HttpService httpService;
+
+    @Test
+    void testGetRequest() {
+        String url = "https://bbps-staging.digiledge.in/agent/cou-master/masters/billersById?billerId=ADAN00000HAR02"; // Dummy public GET API
+        HashMap<String, String> response = httpService.getRequest(url);
+        System.out.println("✅ GET Response: " + response);
+
+        System.out.println(response);
+    }
+
+   
+}