Fix base parts not generating

internal/pipeline/pipeline_test.go

@@ -2248,7 +2248,6 @@ func TestBuildHAKsGeneratesParts2DAAssetsFromLocalModels(t *testing.T) {
             "group_from": "first_path_segment"
           },
           "parts_rows": {
-            "null_undiscovered_rows": true,
             "row_defaults": {"COSTMODIFIER": "0"},
             "acbonus": {
               "default": {
@@ -2285,6 +2284,7 @@ func TestBuildHAKsGeneratesParts2DAAssetsFromLocalModels(t *testing.T) {
   "rows": [
     {"id": 0, "COSTMODIFIER": 1, "ACBONUS": "0.25"},
     {"id": 17, "COSTMODIFIER": 0, "ACBONUS": "0.90"},
+    {"id": 19, "COSTMODIFIER": 0, "ACBONUS": "****"},
     {"id": 117, "COSTMODIFIER": 0, "ACBONUS": "****"}
   ]
 }
@@ -2327,7 +2327,13 @@ func TestBuildHAKsGeneratesParts2DAAssetsFromLocalModels(t *testing.T) {
 		t.Fatalf("read generated parts 2da: %v", err)
 	}
 	partsText := string(partsRaw)
-	for _, want := range []string{"0\t****\t****", "17\t****\t****", "18\t0\t0.75", "117\t0\t1.17"} {
+	for _, want := range []string{
+		"0\t1\t0.00",
+		"17\t0\t0.17",
+		"18\t0\t0.75",
+		"19\t****\t****",
+		"117\t0\t1.17",
+	} {
 		if !strings.Contains(partsText, want) {
 			t.Fatalf("expected generated parts 2da to contain %q after normalization and overrides, got:\n%s", want, partsText)
 		}