diff --git a/javatests/com/google/turbine/lower/MissingJavaBaseModule.java b/javatests/com/google/turbine/lower/MissingJavaBaseModuleTest.java
similarity index 98%
rename from javatests/com/google/turbine/lower/MissingJavaBaseModule.java
rename to javatests/com/google/turbine/lower/MissingJavaBaseModuleTest.java
index 230b18fe..740aecce 100644
--- a/javatests/com/google/turbine/lower/MissingJavaBaseModule.java
+++ b/javatests/com/google/turbine/lower/MissingJavaBaseModuleTest.java
@@ -40,7 +40,7 @@
 import org.junit.runners.JUnit4;
 
 @RunWith(JUnit4.class)
-public class MissingJavaBaseModule {
+public class MissingJavaBaseModuleTest {
 
   @Test
   public void test() throws Exception {