Maven - ignoring integration tests

gistfile1.txt

@Category(IntegrationTest.class)
public class ExampleTest {
  
  @Test
  public void im_slow() {
  }
}

IntegrationTest.java

public interface IntegrationTest {}

pom.xml

...
<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-surefire-plugin</artifactId>
    <configuration>
        <includes>
            <include>**/*.java</include>
        </includes>
        <argLine>-Dfile.encoding=UTF-8</argLine>
        <skipTests>${skip.unit.tests}</skipTests>
        <excludedGroups>com.jvmops.tests.annotations.IntegrationTest</excludedGroups>
    </configuration>
</plugin>
...