1 files changed, 3 insertions, 2 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/runtime/AllIncompatibleChangesExpansionTest.java b/src/test/java/com/google/devtools/build/lib/runtime/AllIncompatibleChangesExpansionTest.java
index 0048e0905b..8d6788e063 100644
--- a/src/test/java/com/google/devtools/build/lib/runtime/AllIncompatibleChangesExpansionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/runtime/AllIncompatibleChangesExpansionTest.java
@@ -17,6 +17,7 @@ package com.google.devtools.build.lib.runtime;
 import static com.google.common.truth.Truth.assertThat;
 import static org.junit.Assert.fail;
 
+import com.google.common.collect.ImmutableList;
 import com.google.devtools.build.lib.flags.InvocationPolicyEnforcer;
 import com.google.devtools.build.lib.runtime.proto.InvocationPolicyOuterClass.InvocationPolicy;
 import com.google.devtools.build.lib.runtime.proto.InvocationPolicyOuterClass.UseDefault;
@@ -85,8 +86,8 @@ public class AllIncompatibleChangesExpansionTest {
     /** Dummy comment (linter suppression) */
     public static class YExpansion implements ExpansionFunction {
       @Override
-      public String[] getExpansion(IsolatedOptionsData optionsData) {
-        return new String[] {"--noY"};
+      public ImmutableList<String> getExpansion(IsolatedOptionsData optionsData) {
+        return ImmutableList.of("--noY");
       }
     }