NIFI-9025 Fixed reference in TestTailFile unit test

This closes #5294

Signed-off-by: Joey Frazee <jfrazee@apache.org>
diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestTailFile.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestTailFile.java
index a9ac7e5..806988e 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestTailFile.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestTailFile.java
@@ -848,7 +848,7 @@
     }
 
     private void testMultiLineWaitsForRegexMatch(final boolean shutdownBetweenReads) throws IOException {
-        runner.setProperty(TailFile.LINE_START_REGEX, "<\\d>");
+        runner.setProperty(TailFile.LINE_START_PATTERN, "<\\d>");
         runner.setProperty(TailFile.ROLLING_FILENAME_PATTERN, "log.*");
 
         final String line1 = "<1>Hello, World\n";