Organize test directory structure with logical categorization (#1243)
Signed-off-by: He, Xin3 <xin3.he@intel.com>
Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: xin3he <83260933+xin3he@users.noreply.github.com>
Co-authored-by: He, Xin3 <xin3.he@intel.com>