feat: create utility init a new File #90 (coverage)

Author: fugerit79

fj-core/src/test/java/test/org/fugerit/java/core/io/TestFileIO.java

@@ -27,6 +27,7 @@ public void testNewFile() throws IOException {
         String fileNameExists = "classes";
         File file = FileIO.newFile( baseDir, fileName );
         Assert.assertTrue( file.getPath().endsWith( fileName ) );
+        Assert.assertTrue( FileIO.newFile( null, fileName ).getPath().endsWith( fileName ) );
         Assert.assertThrows( IOException.class, () -> FileIO.newFile( baseDir, fileName, Boolean.TRUE ) );
         Assert.assertTrue( FileIO.newFile( baseDir, fileName, Boolean.FALSE ).getPath().endsWith( fileName ) );
         Assert.assertTrue( FileIO.newFile( baseDir, fileNameExists, Boolean.TRUE ).getPath().endsWith( fileNameExists ) );