Add maven surefire plugin to run unit tests

pom.xml

@@ -5,8 +5,11 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
+        <!-- https://maven.apache.org/general.html#encoding-warning -->
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
+        <surefire.version>3.0.0-M1</surefire.version>
     </properties>
 
     <groupId>org.example</groupId>
@@ -22,7 +25,7 @@
     <repositories>
         <repository>
             <id>local-maven-repo</id>
-            <url>file:./lib/</url>
+            <url>file://${project.basedir}/lib/</url>
         </repository>
     </repositories>
 
@@ -49,4 +52,15 @@
         </dependency>
     </dependencies>
 
+    <build>
+        <finalName>maven-unit-test</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${surefire.version}</version>
+            </plugin>
+    </plugins>
+</build>
+
 </project>