log test name

Author: sakthivelmanii

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

@@ -60,7 +60,11 @@
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.TestRule;
+import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameter;
@@ -80,6 +84,13 @@ public Long apply(StructReader input) {
   @Parameter(0)
   public boolean failOnInvalidatedSession;
 
+  @Rule
+  public TestRule watcher = new TestWatcher() {
+    protected void starting(Description description) {
+      System.out.println("Starting test: " + description.getMethodName());
+    }
+  };
+
   @Parameters(name = "fail on invalidated session = {0}")
   public static Collection<Object[]> data() {
     List<Object[]> params = new ArrayList<>();