Merge pull request #1481 from brendandburns/logs

Add logging dependency to e2e tests.

Author: k8s-ci-robot

e2e/pom.xml

@@ -41,6 +41,19 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>test</scope>
+        </dependency>
+
         <!-- Following two deps exist to make spock2 work with junit4 -->
         <!-- Ref: https://github.com/groovy/GMavenPlus/wiki/Examples#spock-2-and-junit -->
         <dependency>
@@ -69,6 +82,10 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <configuration>
                     <skipTests>${e2e.skip}</skipTests>
+                    <systemPropertyVariables>
+                        <org.slf4j.simpleLogger.defaultLogLevel>DEBUG</org.slf4j.simpleLogger.defaultLogLevel>
+                        <org.slf4j.simpleLogger.showDateTime>true</org.slf4j.simpleLogger.showDateTime>
+                    </systemPropertyVariables>
                 </configuration>
             </plugin>
             <plugin>