diff --git a/common/src/testing/java/google/registry/testing/FakeClock.java b/common/src/testing/java/google/registry/testing/FakeClock.java
index 24431c557..e2cf14f8b 100644
--- a/common/src/testing/java/google/registry/testing/FakeClock.java
+++ b/common/src/testing/java/google/registry/testing/FakeClock.java
@@ -35,6 +35,8 @@ public final class FakeClock implements Clock {
   // threads should see a consistent flow.
   private final AtomicLong currentTimeMillis = new AtomicLong();
 
+  private volatile long autoIncrementStepMs;
+
   /** Creates a FakeClock that starts at START_OF_TIME. */
   public FakeClock() {
     this(START_OF_TIME);
@@ -48,7 +50,21 @@ public final class FakeClock implements Clock {
   /** Returns the current time. */
   @Override
   public DateTime nowUtc() {
-    return new DateTime(currentTimeMillis.get(), UTC);
+    return new DateTime(currentTimeMillis.addAndGet(autoIncrementStepMs), UTC);
+  }
+
+  /**
+   * Sets the increment applied to the clock whenever it is queried. The increment is zero by
+   * default: the clock is left unchanged when queried.
+   *
+   * <p>Passing a duration of zero to this method effectively unsets the auto increment mode.
+   *
+   * @param autoIncrementStep the new auto increment duration
+   * @return this
+   */
+  public FakeClock setAutoIncrementStep(ReadableDuration autoIncrementStep) {
+    this.autoIncrementStepMs = autoIncrementStep.getMillis();
+    return this;
   }
 
   /** Advances clock by one millisecond. */
diff --git a/core/src/test/java/google/registry/model/registry/label/PremiumListDualDaoTest.java b/core/src/test/java/google/registry/model/registry/label/PremiumListDualDaoTest.java
index a5d4532c1..2995d05dc 100644
--- a/core/src/test/java/google/registry/model/registry/label/PremiumListDualDaoTest.java
+++ b/core/src/test/java/google/registry/model/registry/label/PremiumListDualDaoTest.java
@@ -43,6 +43,7 @@ import google.registry.testing.TestCacheExtension;
 import google.registry.testing.TestOfyAndSql;
 import org.joda.time.DateTime;
 import org.joda.time.Duration;
+import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
@@ -61,7 +62,7 @@ public class PremiumListDualDaoTest extends EntityTestCase {
   @BeforeEach
   void before() {
     createTld("tld");
-
+    fakeClock.setAutoIncrementStep(Duration.millis(1));
     fakeClock.setTo(DateTime.parse("1984-12-21T00:00:00.000Z"));
     DatabaseTransitionSchedule schedule =
         DatabaseTransitionSchedule.create(
@@ -77,6 +78,11 @@ public class PremiumListDualDaoTest extends EntityTestCase {
     tm().transactNew(() -> ofyTm().putWithoutBackup(schedule));
   }
 
+  @AfterEach
+  void after() {
+    fakeClock.setAutoIncrementStep(Duration.ZERO);
+  }
+
   @TestOfyAndSql
   void testGetPremiumPrice_secondaryLoadMissingSql() {
     PremiumListSqlDao.delete(PremiumListSqlDao.getLatestRevision("tld").get());