BAEL-20869 Move remaining spring boot modules

spring-boot-modules/spring-boot-environment/src/test/java/com/baeldung/properties/ExternalPropertyFileLoaderIntegrationTest.java

@@ -0,0 +1,27 @@
+package com.baeldung.properties;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = ExternalPropertyFileLoader.class)
+public class ExternalPropertyFileLoaderIntegrationTest {
+
+    @Autowired
+    ConfProperties props;
+
+    @Test
+    public void whenExternalisedPropertiesLoaded_thenReadValues() throws IOException {
+        assertEquals("jdbc:postgresql://localhost:5432/", props.getUrl());
+        assertEquals("admin", props.getUsername());
+        assertEquals("root", props.getPassword());
+    }
+
+}