fixed crashed test script

cupsfilters/test-filter-cases.txt required further checks for the last
two test cases

Potential output: ERROR: cfFilterUniversal: Unsupported combination of input and output formats: application/pdf -> image/jpeg

Signed-off-by: TTFISH <jiongchiyu@gmail.com>

cupsfilters/test-filter-cases.txt

@@ -2,4 +2,4 @@
 cupsfilters/test_files/test_file_1pg.pdf	application/pdf	cupsfilters/test_files/output_files/test_file_op.pdf	application/pdf	Generic	PDF Color 2	1	1	text/plain,application/pdf	13	new-user	custom-print	10	sides=two-sided-long-edge media-size=A4 printer-resolution=300dpi
 cupsfilters/test_files/test_file_4pg.pdf	application/pdf	cupsfilters/test_files/output_files/test_file_op.pwg	image/pwg-raster	Generic	PDF Color 2	1	1	image/pwg-raster,application/pdf	13	new-user	custom-print	5	sides=two-sided-short-edge media-size=A4 printer-resolution=300dpi
 cupsfilters/test_files/bashrc.urf	image/urf	cupsfilters/test_files/output_files/test_file_op.jpg	image/jpeg	Canon GX7000 series 2	1	0	image/urf,image/jpeg	13	new-user	custom-print	1	sides=two-sided-short-edge media-size=A4 printer-resolution=600dpi
-test_files/test_file_2pg.pdf	application/pdf	test_files/output_files/test_file_op.jpg	image/jpeg	Brother MFC-L6900DW 2	1	0	application/pdf,application/vnd.cups-pdf	13	new-user	custom-print	1	sides=two-sided-short-edge media-size=A4 printer-resolution=300dpi
+cupsfilters/test_files/test_file_2pg.pdf	application/pdf	cupsfilters/test_files/output_files/test_file_op.jpg	image/jpeg	Brother MFC-L6900DW 2	1	0	application/pdf,application/vnd.cups-pdf	13	new-user	custom-print	1	sides=two-sided-short-edge media-size=A4 printer-resolution=300dpi

cupsfilters/testfilters.sh

@@ -1,11 +1,13 @@
+#!/bin/bash
+
 echo "Test-Suite for Libcupsfilters"
 #Now run the executable file with test case
 echo "Running Tests..."
 echo "Input number of Tests..."
 #read TC
 
 mkdir -p cupsfilters/test_files/output_files
-./testfilters cupsfilters/test-filter-cases.txt 3 2&> Test_summary_final.txt
+./testfilters cupsfilters/test-filter-cases.txt 2 2 2>&1 | tee Test_summary_final.txt
 exit_code=$?
 
 #Delete the output_files folder all together...