I don't know where the error is? Why Group_Test1 does not have the same labeling as the testset?

clear all
clc
%Group_Train1=zeros(26459);
%Group_Test1=zeros(6033);

PF = 'D:\Project\DB1\train\' % Parent Folder
SFL = dir(PF) ;% List the sub folders
[mp, np] = size(SFL); % compute size = number of subfolders & files & . & ..
csf=0;% counter of JUST subfolders found in PF
Tr=1;
for i=3:mp
%% keep only folders:
k = strfind(SFL(i).name,'.');
if isempty(strfind(SFL(i).name,'.'))
csf = csf +1; % one sub folder found
SFN = SFL(i).name ;% extract his name
tifList = ls(sprintf('%s%s%s%s',PF,SFN,'\','*.tif')); % list all jpg files
[ms, ns] = size(tifList); % ms = number of image files found

%% Processing for each tif file:

for j=1:ms
tifFileName = tifList(j,:); % extract name of tif file
%for currentImage1 = 1:ms
IM=imread([PF SFN '\' tifFileName]);


%hold on;
%k=1;
%for i=1:csf
  %for j=1:ms
         Group_Train1(Tr)=[i-2]
        Tr=Tr+1;
 
end

end

PF_SFN_imgName = sprintf('%s%s%s',PF,SFN,'\',tifFileName)
%imshow(PF_SFN_imgName)
%pause(1)

end



save('Group_Train','Group_Train1');

%------------------------------


PF = 'D:\Project\DB1\test\' % Parent Folder
SFL = dir(PF) ;% List the sub folders
[mp1, np] = size(SFL); % compute size = number of subfolders & files & . & ..
csf1=0; % counter of JUST subfolders found in PF
t=1;
for i=3:mp1
%% keep only folders:
P = strfind(SFL(i).name,'.');
if isempty(strfind(SFL(i).name,'.'))
csf1 = csf1 +1; % one sub folder found
SFN = SFL(i).name ;% extract his name
tifList = ls(sprintf('%s%s%s%s',PF,SFN,'\','*.tif')); % list all jpg files
[ms1, ns] = size(tifList); % ms = number of image files found

%% Processing for each tif file:


for j=1:ms1
tifFileName = tifList(j,:); % extract name of tif file
IM=imread([PF SFN '\' tifFileName]);


%hold on;
%t=1;
%for i=1:csf1
 % for j=1:ms1
         Group_Test1(t)=[i-2]
        t=t+1;
 % end
end
end
PF_SFN_imgName = sprintf('%s%s%s',PF,SFN,'\',tifFileName);
%

%imshow(PF_SFN_imgName)
%pause(1)

end

save('Group_Test','Group_Test1');
%----------------------