Add OutputCapture test class

spring-boot-cli/pom.xml

@@ -34,6 +34,14 @@
 			<artifactId>groovy-templates</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<!-- Test -->
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>spring-boot</artifactId>
+			<version>${project.version}</version>
+			<classifier>tests</classifier>
+			<scope>test</scope>
+		</dependency>
 		<dependency>
 			<groupId>org.javassist</groupId>
 			<artifactId>javassist</artifactId>