tests: Update pom.

Author: blakeli0

java-showcase/pom.xml

@@ -43,8 +43,8 @@
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
-        <artifactId>proto-gapic-showcase-v1beta1-3.25.8</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <artifactId>proto-gapic-showcase-v1beta1</artifactId>
+        <version>0.0.1-SNAPSHOT-3.25.8</version>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>