Fraction Auto Detection Duplication

acme.Servlet.java

package acme;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet("/*")
public class Servlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		resp.setContentType("text/plain");
		resp.getWriter().println("Hello world!");
	}
}

acme.ServletTest.java

package acme;

import static org.jboss.shrinkwrap.api.ShrinkWrap.create;
import static org.junit.Assert.assertEquals;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.container.test.api.RunAsClient;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.arquillian.test.api.ArquillianResource;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(Arquillian.class)
public class ServletTest {
	@ArquillianResource
	public URL deploymentUrl;

	@Test
	@RunAsClient
	public void test() throws IOException {
		final HttpURLConnection conn = (HttpURLConnection) deploymentUrl.openConnection();
		conn.setRequestMethod("GET");
		try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
			assertEquals("Hello world!", reader.readLine());
		}
	}

	/**
	 * @return test web archive.
	 */
	@Deployment
	public static WebArchive createWebArchive() {
		return create(WebArchive.class)
				.addClass(Servlet.class);
	}
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>acme</groupId>
	<artifactId>wildfly-swarm-sandbox</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>war</packaging>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<maven.compiler.source>1.8</maven.compiler.source>
		<maven.compiler.target>1.8</maven.compiler.target>
		<failOnMissingWebXml>false</failOnMissingWebXml>
		<wildfly-swarm.version>2017.3.2</wildfly-swarm.version>
	</properties>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>javax</groupId>
				<artifactId>javaee-api</artifactId>
				<version>7.0</version>
				<scope>provided</scope>
			</dependency>

			<dependency>
				<groupId>org.wildfly.swarm</groupId>
				<artifactId>bom-all</artifactId>
				<version>${wildfly-swarm.version}</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>

			<dependency>
				<groupId>org.jboss.arquillian</groupId>
				<artifactId>arquillian-bom</artifactId>
				<version>1.1.11.Final</version>
				<type>pom</type>
				<scope>import</scope>
			</dependency>
		</dependencies>
	</dependencyManagement>

	<dependencies>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
		</dependency>


		<!-- Test Dependencies -->

		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.12</version>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.wildfly.swarm</groupId>
			<artifactId>arquillian</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>org.jboss.arquillian.junit</groupId>
			<artifactId>arquillian-junit-container</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.wildfly.swarm</groupId>
				<artifactId>wildfly-swarm-plugin</artifactId>
				<version>${wildfly-swarm.version}</version>
				<executions>
					<execution>
						<goals>
							<goal>package</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
</project>