diff --git a/log4j-layout-jackson-json/src/test/java/org/apache/logging/log4j/jackson/json/layout/ConcurrentLoggingWithJsonLayoutTest.java b/log4j-layout-jackson-json/src/test/java/org/apache/logging/log4j/jackson/json/layout/ConcurrentLoggingWithJsonLayoutTest.java
index 5d6f02d..8bf67c7 100644
--- a/log4j-layout-jackson-json/src/test/java/org/apache/logging/log4j/jackson/json/layout/ConcurrentLoggingWithJsonLayoutTest.java
+++ b/log4j-layout-jackson-json/src/test/java/org/apache/logging/log4j/jackson/json/layout/ConcurrentLoggingWithJsonLayoutTest.java
@@ -106,12 +106,10 @@ public class ConcurrentLoggingWithJsonLayoutTest {
         }
 
         // simple test to ensure content is not corrupted
-        if (new File(PATH).exists()) {
-            final List<String> lines = Files.readAllLines(new File(PATH).toPath(), Charset.defaultCharset());
-            for (final String line : lines) {
-                assertThat(line, startsWith("{\"thread\":"));
-                assertThat(line, endsWith("\"threadPriority\":5}"));
-            }
+        final List<String> lines = Files.readAllLines(new File(PATH).toPath(), Charset.defaultCharset());
+        for (final String line : lines) {
+            assertThat(line, startsWith("{\"instant\":"));
+            assertThat(line, endsWith("\"threadPriority\":5}"));
         }
     }
 }
diff --git a/log4j-layout-jackson-json/src/test/resources/log4j2-json-layout.xml b/log4j-layout-jackson-json/src/test/resources/log4j2-json-layout.xml
index c7af4e9..eecac25 100644
--- a/log4j-layout-jackson-json/src/test/resources/log4j2-json-layout.xml
+++ b/log4j-layout-jackson-json/src/test/resources/log4j2-json-layout.xml
@@ -16,9 +16,9 @@
  limitations under the License.
 
 -->
-<Configuration status="INFO" packages="">
+<Configuration status="INFO" packages="org.apache.logging.log4j.jackson.json.layout">
   <Appenders>
-    <File name="stdout" ignoreExceptions="false" fileName="target/test-xml-layout.log" append="false">
+    <File name="stdout" ignoreExceptions="false" fileName="target/test-json-layout.log" append="false">
       <JsonLayout compact="true" eventEol="true" />
     </File>
   </Appenders>