Change throws to IOException for getPdfWriter after FileUtil changes

DEVSIX-8403

Author: nanouh

pdfocr-api/src/test/java/com/itextpdf/pdfocr/helpers/PdfHelper.java

@@ -107,7 +107,7 @@ public static String getTargetDirectory() {
      *
      * Create pdfWriter using provided path to destination file.
      */
-    public static PdfWriter getPdfWriter(String pdfPath) throws FileNotFoundException {
+    public static PdfWriter getPdfWriter(String pdfPath) throws IOException {
         return new PdfWriter(pdfPath,
                 new WriterProperties().addUAXmpMetadata());
     }

pdfocr-tesseract4/src/test/java/com/itextpdf/pdfocr/IntegrationTestHelper.java

@@ -437,7 +437,7 @@ protected String getTextFromTextFile(File file) {
     /**
      * Create pdfWriter using provided path to destination file.
      */
-    protected PdfWriter getPdfWriter(String pdfPath) throws FileNotFoundException {
+    protected PdfWriter getPdfWriter(String pdfPath) throws IOException {
         return new PdfWriter(pdfPath,
                 new WriterProperties().addUAXmpMetadata());
     }