change specific error string to generic error check

5 jobs for <span class="ref-name">worker-upload</span> in 65 minutes and 8 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #175693214
lint

00:04:34

 
  Test
failed #178547276
integration-tests

00:31:46

75.0%
passed #175693215
legacy-tests

00:28:47

51.5%
passed #175693216
package-tests

00:20:04

87.3%
failed #175693217
integration-tests

00:32:00

75.0%
 
Name Stage Failure
failed
integration-tests Test
coverage: 75.0% of statements
ok gitlab.com/NebulousLabs/Sia/siatest/wallet 43.555s coverage: 75.0% of statements
Makefile:99: recipe for target 'test-long' failed
make: *** [test-long] Error 1
Uploading artifacts...
WARNING: /builds/NebulousLabs/Sia/SiaTesting: no matching files
WARNING: /builds/NebulousLabs/Sia/cover/cover.out: no matching files
ERROR: No files to upload
ERROR: Job failed: exit code 1