NIFI-14051 Replaced nested HashMap with Map.of.

Author: dan-s1

nifi-extension-bundles/nifi-parquet-bundle/nifi-parquet-processors/src/test/java/org/apache/nifi/parquet/TestParquetReader.java

@@ -83,12 +83,8 @@ public void testReadUsersPartiallyWithOffsetAndLimitedRecordCount() throws IOExc
         final int numUsers = 1000025; // intentionally so large, to test input with many record groups
         final int expectedRecords = 2;
         final File parquetFile = ParquetTestUtils.createUsersParquetFile(numUsers);
-        final List<Record> results = getRecords(parquetFile, new HashMap<>() {
-            {
-                put(ParquetAttribute.RECORD_OFFSET, "1000020");
-                put(ParquetAttribute.RECORD_COUNT, "2");
-            }
-        });
+        final List<Record> results = getRecords(parquetFile, Map.of(ParquetAttribute.RECORD_OFFSET, "1000020",
+                ParquetAttribute.RECORD_COUNT, "2"));
 
         assertEquals(expectedRecords, results.size());
         IntStream.range(0, expectedRecords)