vaadin-framework/test/space in directory/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>com.vaadin</groupId>
        <artifactId>vaadin-test</artifactId>
        <version>8.15-SNAPSHOT</version>
    </parent>
    <artifactId>vaadin-test-space-in-directory</artifactId>
    <packaging>war</packaging>
    <dependencies>
        <dependency>
            <groupId>com.vaadin</groupId>
            <artifactId>vaadin-test-widget-set-testutil</artifactId>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>com.vaadin</groupId>
                <artifactId>vaadin-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>