Fix spotless formatting in Spark 3.4 test

Signed-off-by: Jiwon Park <jpark92@outlook.kr>

Author: j1wonpark

amoro-format-mixed/amoro-mixed-spark/v3.4/amoro-mixed-spark-3.4/src/test/java/org/apache/amoro/spark/test/suites/sql/TestInsertOverwriteSQL.java

@@ -127,8 +127,7 @@ private void initTargetTable(PrimaryKeySpec keySpec, PartitionSpec ptSpec) {
 
   private void assertFileLayout(TableFormat format) {
     TableFiles files = TestTableUtil.files(table);
-    Set<String> initFileSet =
-        initFiles.stream().map(f -> f.location()).collect(Collectors.toSet());
+    Set<String> initFileSet = initFiles.stream().map(f -> f.location()).collect(Collectors.toSet());
     files = files.removeFiles(initFileSet);
 
     Asserts.assertAllFilesInBaseStore(files);