Add option for TestReport to include tests for installed items

InvenTree/report/migrations/0013_testreport_include_installed.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.7 on 2021-02-19 04:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('report', '0012_buildreport'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='testreport',
+            name='include_installed',
+            field=models.BooleanField(default=False, help_text='Include test results for stock items installed inside assembled item', verbose_name='Include Installed Tests'),
+        ),
+    ]