Feature/bael 2077 dhawal (#5232)

* [BAEL-2077] - Add section in Spring Profiles article

* removed irrelevent code

* [BAEL-2077] - Removing unnecessory files and adding Integration test file

spring-all/src/main/java/org/baeldung/profiles/SpringProfilesConfig.java

@@ -2,9 +2,11 @@ package org.baeldung.profiles;
 
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
 
 @Configuration
 @ComponentScan("org.baeldung.profiles")
+@PropertySource(value = "classpath:application.properties")
 public class SpringProfilesConfig {
 
 }

spring-all/src/main/resources/application.properties

@@ -0,0 +1 @@
+spring.profiles.active=@spring.profiles.active@

spring-all/src/test/java/org/baeldung/profiles/SpringProfilesWithMavenPropertiesIntegrationTest.java

@@ -0,0 +1,22 @@
+package org.baeldung.profiles;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.support.AnnotationConfigContextLoader;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { SpringProfilesConfig.class }, loader = AnnotationConfigContextLoader.class)
+public class SpringProfilesWithMavenPropertiesIntegrationTest {
+
+    @Autowired
+    DatasourceConfig datasourceConfig;
+
+    @Test
+    public void testSpringProfiles() {
+        Assert.assertTrue(datasourceConfig instanceof DevDatasourceConfig);
+    }
+}