Tidy up ExpandrecurringBillingEventsAction

Per nickfelt's suggestion on []
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127193451

java/google/registry/billing/ExpandRecurringBillingEventsAction.java

@@ -241,11 +241,8 @@ public class ExpandRecurringBillingEventsAction implements Runnable {
           .filter(new Predicate<BillingEvent.OneTime>() {
             @Override
             public boolean apply(OneTime billingEvent) {
-              Key<? extends BillingEvent> cancellationMatchingBillingEvent =
-                  billingEvent.getCancellationMatchingBillingEvent();
-              return cancellationMatchingBillingEvent != null
-                  && billingEvent.getCancellationMatchingBillingEvent().equals(
-                      Key.create(recurringEvent));
+              return Key.create(recurringEvent)
+                  .equals(billingEvent.getCancellationMatchingBillingEvent());
             }})
           .transform(new Function<OneTime, DateTime>() {
             @Override

javatests/google/registry/flows/FlowTestCase.java

@@ -50,6 +50,7 @@ import google.registry.testing.EppLoader;
 import google.registry.testing.FakeClock;
 import google.registry.testing.FakeHttpSession;
 import google.registry.testing.InjectRule;
+import google.registry.testing.ShardableTestCase;
 import google.registry.util.TypeUtils.TypeInstantiator;
 import google.registry.xml.ValidationMode;
 
@@ -68,7 +69,7 @@ import java.util.Map;
  * @param <F> the flow type
  */
 @RunWith(MockitoJUnitRunner.class)
-public abstract class FlowTestCase<F extends Flow> {
+public abstract class FlowTestCase<F extends Flow> extends ShardableTestCase {
 
   /** Whether to actually write to the datastore or just simulate. */
   public enum CommitMode { LIVE, DRY_RUN }

javatests/google/registry/flows/contact/ContactInfoFlowTest.java

@@ -136,7 +136,4 @@ public class ContactInfoFlowTest extends ResourceFlowTestCase<ContactInfoFlow, C
     persistContactResource(false);
     runFlow();
   }
-
-  // Extra methods so the test runner doesn't produce empty shards.
-  @Test public void testNothing1() {}
 }

javatests/google/registry/flows/host/HostInfoFlowTest.java

@@ -163,8 +163,4 @@ public class HostInfoFlowTest extends ResourceFlowTestCase<HostInfoFlow, HostRes
     persistHostResource(false);
     runFlow();
   }
-
-  // Extra methods so the test runner doesn't produce empty shards.
-
-  @Test public void testNothing1() {}
 }

javatests/google/registry/flows/session/HelloFlowTest.java

@@ -25,6 +25,7 @@ import org.junit.Test;
 
 /** Unit tests for {@link HelloFlow}. */
 public class HelloFlowTest extends FlowTestCase<HelloFlow> {
+
   @Test
   public void testHello() throws Exception {
     setEppInput("hello.xml");
@@ -35,15 +36,4 @@ public class HelloFlowTest extends FlowTestCase<HelloFlow> {
             "greeting_crr.xml",
             ImmutableMap.of("DATE", clock.nowUtc().toString(dateTimeNoMillis()))));
   }
-
-  // Extra methods so the test runner doesn't produce empty shards.
-
-  @Test
-  public void testNothing1() {}
-
-  @Test
-  public void testNothing2() {}
-
-  @Test
-  public void testNothing3() {}
 }

javatests/google/registry/flows/session/LogoutFlowTest.java

@@ -52,8 +52,4 @@ public class LogoutFlowTest extends FlowTestCase<LogoutFlow> {
     sessionMetadata.setClientId(null);  // Turn off the implicit login
     runFlow();
   }
-
-  // Extra methods so the test runner doesn't produce empty shards.
-  @Test public void testNothing1() {}
-  @Test public void testNothing2() {}
 }

javatests/google/registry/rde/GhostrydeGpgIntegrationTest.java

@@ -26,11 +26,11 @@ import com.google.common.io.CharStreams;
 import google.registry.keyring.api.Keyring;
 import google.registry.testing.BouncyCastleProviderRule;
 import google.registry.testing.GpgSystemCommandRule;
+import google.registry.testing.ShardableTestCase;
 
 import org.bouncycastle.openpgp.PGPPublicKey;
 import org.joda.time.DateTime;
 import org.junit.Rule;
-import org.junit.Test;
 import org.junit.experimental.theories.DataPoints;
 import org.junit.experimental.theories.Theories;
 import org.junit.experimental.theories.Theory;
@@ -47,7 +47,7 @@ import java.io.OutputStream;
 /** GnuPG integration tests for {@link Ghostryde}. */
 @RunWith(Theories.class)
 @SuppressWarnings("resource")
-public class GhostrydeGpgIntegrationTest {
+public class GhostrydeGpgIntegrationTest extends ShardableTestCase {
 
   @Rule
   public final BouncyCastleProviderRule bouncy = new BouncyCastleProviderRule();
@@ -170,7 +170,4 @@ public class GhostrydeGpgIntegrationTest {
       return value;
     }
   }
-
-  @Test public void makeShardingWork1() {}
-  @Test public void makeShardingWork2() {}
 }

javatests/google/registry/rde/RegistrarToXjcConverterTest.java

@@ -27,6 +27,7 @@ import google.registry.model.registrar.RegistrarAddress;
 import google.registry.testing.AppEngineRule;
 import google.registry.testing.FakeClock;
 import google.registry.testing.InjectRule;
+import google.registry.testing.ShardableTestCase;
 import google.registry.xjc.rderegistrar.XjcRdeRegistrar;
 import google.registry.xjc.rderegistrar.XjcRdeRegistrarAddrType;
 import google.registry.xjc.rderegistrar.XjcRdeRegistrarPostalInfoEnumType;
@@ -49,7 +50,7 @@ import java.io.ByteArrayOutputStream;
  * some exceptional conditions.
  */
 @RunWith(JUnit4.class)
-public class RegistrarToXjcConverterTest {
+public class RegistrarToXjcConverterTest extends ShardableTestCase {
 
   @Rule
   public final AppEngineRule appEngine = AppEngineRule.builder()
@@ -147,6 +148,4 @@ public class RegistrarToXjcConverterTest {
   public void testMarshal() throws Exception {
     marshalStrict(RegistrarToXjcConverter.convert(registrar), new ByteArrayOutputStream(), UTF_8);
   }
-
-  @Test public void makeShardingWork1() {}
 }

javatests/google/registry/rde/RydeGpgIntegrationTest.java

@@ -27,13 +27,13 @@ import google.registry.keyring.api.Keyring;
 import google.registry.testing.BouncyCastleProviderRule;
 import google.registry.testing.GpgSystemCommandRule;
 import google.registry.testing.Providers;
+import google.registry.testing.ShardableTestCase;
 import google.registry.util.FormattingLogger;
 
 import org.bouncycastle.openpgp.PGPKeyPair;
 import org.bouncycastle.openpgp.PGPPublicKey;
 import org.joda.time.DateTime;
 import org.junit.Rule;
-import org.junit.Test;
 import org.junit.experimental.theories.DataPoints;
 import org.junit.experimental.theories.Theories;
 import org.junit.experimental.theories.Theory;
@@ -51,7 +51,7 @@ import java.io.OutputStream;
 /** GPG combinatorial integration tests for the Ryde classes. */
 @RunWith(Theories.class)
 @SuppressWarnings("resource")
-public class RydeGpgIntegrationTest {
+public class RydeGpgIntegrationTest extends ShardableTestCase {
 
   private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
 
@@ -281,7 +281,4 @@ public class RydeGpgIntegrationTest {
       return value;
     }
   }
-
-  @Test public void makeShardingWork1() {}
-  @Test public void makeShardingWork2() {}
 }

javatests/google/registry/testing/ShardableTestCase.java

@@ -23,6 +23,7 @@ import org.junit.Test;
  * sure that we never produces empty shards.
  */
 public abstract class ShardableTestCase {
+
   @Test
   public void testNothing1() {}