BAEL-4083 - add app integration test

spring-boot-modules/spring-boot-xml/src/main/java/com/baeldung/springbootxml/SpringBootXmlApplicationIntegrationTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.springbootxml;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = SpringBootXmlApplication.class)
+public class SpringBootXmlApplicationIntegrationTest {
+
+    @Autowired private Pojo pojo;
+    @Value("${sample}") private String sample;
+
+    @Test
+    public void whenCallingGetter_thenPrintingProperty() {
+        assertThat(pojo.getField())
+                .isNotBlank()
+                .isEqualTo(sample);
+    }
+
+}