Cover Tomorrow artifact and notification behavior

internal/config/config_test.go

@@ -262,6 +262,16 @@ reports:
 `,
 			wantErr: `unknown module "forecast_delta"`,
 		},
+		{
+			name: "RetiredTomorrowReportID",
+			yaml: `
+reports:
+  daily_tomorrow:
+    deterministic_modules:
+      - metadata
+`,
+			wantErr: "reports.daily_tomorrow is not a known report",
+		},
 		{
 			name: "InvalidOptions",
 			yaml: `