diff --git a/scripts/tests/test_extract_failed_ids.bats b/scripts/tests/test_extract_failed_ids.bats
index 75b9bff..a716cba 100644
--- a/scripts/tests/test_extract_failed_ids.bats
+++ b/scripts/tests/test_extract_failed_ids.bats
@@ -13,31 +13,31 @@ teardown() {
 }
 
 @test "fail no downloader module" {
-    run ../extract_failed_ids.sh ./example_logfiles/failed_no_downloader.txt
+    run ../extract_failed_ids.sh ./example_logfiles/failed_no_downloader.txt >> failed.txt
     assert [ "$( wc -l 'failed.txt' | awk '{ print $1 }' )" -eq "3" ];
     assert [ "$( grep -Ecv '\w{6,7}' 'failed.txt' )" -eq "0" ];
 }
 
 @test "fail resource error" {
-    run ../extract_failed_ids.sh ./example_logfiles/failed_resource_error.txt
+    run ../extract_failed_ids.sh ./example_logfiles/failed_resource_error.txt >> failed.txt
     assert [ "$( wc -l 'failed.txt' | awk '{ print $1 }' )" -eq "1" ];
     assert [ "$( grep -Ecv '\w{6,7}' 'failed.txt' )" -eq "0" ];
 }
 
 @test "fail site downloader error" {
-    run ../extract_failed_ids.sh ./example_logfiles/failed_sitedownloader_error.txt
+    run ../extract_failed_ids.sh ./example_logfiles/failed_sitedownloader_error.txt >> failed.txt
     assert [ "$( wc -l 'failed.txt' | awk '{ print $1 }' )" -eq "2" ];
     assert [ "$( grep -Ecv '\w{6,7}' 'failed.txt' )" -eq "0" ];
 }
 
 @test "fail failed file write" {
-    run ../extract_failed_ids.sh ./example_logfiles/failed_write_error.txt
+    run ../extract_failed_ids.sh ./example_logfiles/failed_write_error.txt >> failed.txt
     assert [ "$( wc -l 'failed.txt' | awk '{ print $1 }' )" -eq "1" ];
     assert [ "$( grep -Ecv '\w{6,7}' 'failed.txt' )" -eq "0" ];
 }
 
 @test "fail disabled module" {
-    run ../extract_failed_ids.sh ./example_logfiles/failed_disabled_module.txt
+    run ../extract_failed_ids.sh ./example_logfiles/failed_disabled_module.txt >> failed.txt
     assert [ "$( wc -l 'failed.txt' | awk '{ print $1 }' )" -eq "1" ];
     assert [ "$( grep -Ecv '\w{6,7}' 'failed.txt' )" -eq "0" ];
 }