formatting: run code formatter

Author: olavloite

google-cloud-spanner/src/test/java/com/google/cloud/spanner/SpannerImplTest.java

@@ -27,8 +27,8 @@
 import com.google.cloud.NoCredentials;
 import com.google.cloud.ServiceRpc;
 import com.google.cloud.grpc.GrpcTransportOptions;
-import com.google.cloud.spanner.SpannerImpl.ClosedException;
 import com.google.cloud.spanner.SpannerException.DoNotConstructDirectly;
+import com.google.cloud.spanner.SpannerImpl.ClosedException;
 import com.google.cloud.spanner.spi.v1.SpannerRpc;
 import com.google.spanner.v1.ExecuteSqlRequest.QueryOptions;
 import java.io.PrintWriter;