Jobs: Make URL field required, per @bwaliszewski

jobs/migrations/0020_auto_20191101_1601.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.13 on 2019-11-01 16:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('jobs', '0019_job_submitted_by'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='job',
+            name='url',
+            field=models.URLField(null=True, verbose_name='URL'),
+        ),
+    ]

jobs/models.py

@@ -109,7 +109,7 @@ class Job(ContentManageable):
     url = models.URLField(
         verbose_name='URL',
         null=True,
-        blank=True)
+        blank=False)
 
     submitted_by = models.ForeignKey(
         User,

jobs/tests/test_views.py

@@ -301,7 +301,8 @@ def test_job_create(self):
             'country': 'USA',
             'description': 'Lorem ipsum dolor sit amet',
             'requirements': 'Some requirements',
-            'email': 'hr@company.com'
+            'email': 'hr@company.com',
+            'url': 'https://jobs.company.com',
         }
 
         # Check that anonymous posting is not allowed. See #852.