diff --git a/src/test/java/lambdas/LazyErrorMessage.java b/src/test/java/lambdas/LazyErrorMessage.java
deleted file mode 100644
index 7985917..0000000
--- a/src/test/java/lambdas/LazyErrorMessage.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package lambdas;
-
-import org.junit.jupiter.api.Test;
-
-import java.util.logging.Logger;
-
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-@SuppressWarnings("Convert2MethodRef")
-public class LazyErrorMessage {
-    private final Logger logger = Logger.getLogger(LazyErrorMessage.class.getName());
-
-    private String getErrorMessage() {
-        System.out.println("Calculating error message...");
-        return "This is the error message";
-    }
-
-    @Test
-    void eagerErrorMessage() {
-        boolean x = true;
-        logger.fine(getErrorMessage());
-        assertTrue(x, getErrorMessage());  // eagerly creates the error message
-    }
-
-    @Test
-    void lazyErrorMessage() {
-        boolean x = true;
-        logger.fine(() -> getErrorMessage());  // Supplier<String>
-        assertTrue(x, () -> getErrorMessage()); // does NOT create the error message
-    }
-}
diff --git a/src/test/java/lambdas/LazyErrorMessageTest.java b/src/test/java/lambdas/LazyErrorMessageTest.java
index 4b7b681..2802b95 100644
--- a/src/test/java/lambdas/LazyErrorMessageTest.java
+++ b/src/test/java/lambdas/LazyErrorMessageTest.java
@@ -2,24 +2,35 @@
 
 import org.junit.jupiter.api.Test;
 
+import java.util.logging.Logger;
+
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
+@SuppressWarnings("Convert2MethodRef")
 public class LazyErrorMessageTest {
+    private final Logger logger = Logger.getLogger(LazyErrorMessageTest.class.getName());
 
     private String getErrorMessage() {
-        System.out.println("Generating error message...");
-        return "x should be true";
+        System.out.println("Calculating error message...");
+        return "This is the error message";
+    }
+
+    private String getLogMessage() {
+        System.out.println("Calculating log message...");
+        return "This is the log message";
     }
 
     @Test
-    void assertArgIsTrue() {
+    void eagerErrorMessage() {
         boolean x = true;
-        assertTrue(x, getErrorMessage()); // 2nd arg is a String
+        logger.fine(getLogMessage());
+        assertTrue(x, getErrorMessage());  // eagerly creates the error message
     }
 
     @Test
-    void assertArgIsTrue_lazyErrorMessage() {
+    void lazyErrorMessage() {
         boolean x = true;
-        assertTrue(x, () -> getErrorMessage());  // 2nd arg is a Supplier<String>
+        logger.fine(() -> getLogMessage());  // Supplier<String>
+        assertTrue(x, () -> getErrorMessage()); // does NOT create the error message
     }
 }