modified the test cases and added integration test

build.gradle

@@ -53,6 +53,9 @@ dependencies {
 	testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.1'
 	testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.3.1'
 	compile 'com.h2database:h2:1.3.156'
+	// https://mvnrepository.com/artifact/io.rest-assured/rest-assured
+	testCompile group: 'io.rest-assured', name: 'rest-assured', version: '4.3.0'
+	//compile 'org.hamcrest:hamcrest-all:2.1'
 
 }
 

src/test/java/com/nisum/offertransactionservice/controller/OfferTransactionControllerIntegrationTest.java

@@ -18,7 +18,7 @@ public class OfferTransactionControllerIntegrationTest {
 
     @BeforeEach
     public void setup() {
-        RestAssured.baseURI = "http:localhost";
+        RestAssured.baseURI = "http://localhost";
         RestAssured.port = 7072;
     }