test: add skip segment overrides table check

internal/db/skip_segment_overrides_test.go

@@ -0,0 +1,25 @@
+package db
+
+import (
+	"context"
+	"database/sql"
+	"testing"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+func TestHasSkipSegmentOverrideTableReturnsFalseWhenMissing(t *testing.T) {
+	sqlDB, err := sql.Open("sqlite3", ":memory:")
+	if err != nil {
+		t.Fatalf("open sqlite: %v", err)
+	}
+	defer func() { _ = sqlDB.Close() }()
+
+	ok, err := New(sqlDB).HasSkipSegmentOverrideTable(context.Background())
+	if err != nil {
+		t.Fatalf("HasSkipSegmentOverrideTable: %v", err)
+	}
+	if ok {
+		t.Fatalf("HasSkipSegmentOverrideTable returned true for missing table")
+	}
+}