Include Test source and console output

* Bump checkstyle version

Author: Korbik

pom.xml

@@ -25,7 +25,7 @@
         <maven-compiler-plugin.version>3.10.0</maven-compiler-plugin.version>
         <spotless.version>2.44.2</spotless.version>
         <maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
-        <checkstyle.version>10.21.3</checkstyle.version>
+        <checkstyle.version>10.21.4</checkstyle.version>
 
         <!-- dependencies -->
         <protobuf.version>3.25.5</protobuf.version>
@@ -147,7 +147,12 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-checkstyle-plugin</artifactId>
-                    <version>3.6.0</version>
+                    <version>${maven-checkstyle-plugin.version}</version>
+                    <configuration>
+                        <configLocation>checkstyle.xml</configLocation>
+                        <consoleOutput>true</consoleOutput>
+                        <includeTestSourceDirectory>true</includeTestSourceDirectory>
+                    </configuration>
                     <dependencies>
                         <dependency>
                             <groupId>com.puppycrawl.tools</groupId>