Global Railway Testing Market Size, Share, Growth Analysis By Testing Equipment Type (Superstructure Testing Equipment, Electrification Testing Equipment, Rolling stock testing equipment, Other Testing Equipment), By Railway Type (High-speed rail, Metro and light rail, Conventional rail and freight rail), By Application (Design and Development, Manufacturing and Fabrication, Pre-delivery Testing, Post-delivery and upkeep Inspection), By Service Sourcing (In-house testing, Outsourced testing), By End User (OEMs, Railway operators, Maintenance and service providers), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Statistics, Trends and Forecast 2026-2035