Let's try with the new test lib.

Sam Laane · Sam Laane · commit 65065d800480 · 2019-01-28T10:41:20.000-08:00
diff --git a/google-cloud-clients/google-cloud-spanner/pom.xml b/google-cloud-clients/google-cloud-spanner/pom.xml
@@ -53,7 +53,7 @@
           <dependency>
             <groupId>org.apache.maven.surefire</groupId>
             <artifactId>surefire-junit47</artifactId>
-            <version>2.12.4</version>
+            <version>3.0.0-M</version>
           </dependency>
         </dependencies>
       </plugin>
