services/mirror: fix dropped test errors (#9007)

Author: alrs

services/mirror/mirror_test.go

@@ -76,6 +76,7 @@ func TestRelease_MirrorDelete(t *testing.T) {
 	assert.True(t, ok)
 
 	count, err := models.GetReleaseCountByRepoID(mirror.ID, findOptions)
+	assert.NoError(t, err)
 	assert.EqualValues(t, initCount+1, count)
 
 	release, err := models.GetRelease(repo.ID, "v0.2")
@@ -86,5 +87,6 @@ func TestRelease_MirrorDelete(t *testing.T) {
 	assert.True(t, ok)
 
 	count, err = models.GetReleaseCountByRepoID(mirror.ID, findOptions)
+	assert.NoError(t, err)
 	assert.EqualValues(t, initCount, count)
 }