Exception thrown at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004 in VS2017

VS version: 15.9.20 SDK version : 10.0.16299.0 Below is error log while executing the Nunit test case in debug mode.

'testhost.x86.exe' (Win32): Loaded 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\Extensions\TestPlatform\testhost.x86.exe'. 
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ntdll.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\mscoree.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\KernelBase.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sxwmon32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\rpcrt4.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sspicli.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptbase.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\bcryptprimitives.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\sechost.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\user32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\win32u.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\gdi32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\gdi32full.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcp_win.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ucrtbase.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\advapi32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\msvcrt.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shell32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cfgmgr32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\SHCore.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\combase.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\windows.storage.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\profapi.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\powrprof.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\shlwapi.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\kernel.appcore.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\cryptsp.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\ole32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\oleaut32.dll'. Cannot find or open the PDB file.
'testhost.x86.exe' (Win32): Loaded 'C:\Windows\SysWOW64\imm32.dll'. Cannot find or open the PDB file.
Exception thrown at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004.

Unhandled exception at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004.

Exception thrown at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004.

Unhandled exception at 0xF862C30E in testhost.x86.exe: 0xC00001A5: An invalid exception handler routine has been detected (parameters: 0x00000003).

Exception thrown at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004.

Unhandled exception at 0xF862C30E in testhost.x86.exe: 0xC00001A5: An invalid exception handler routine has been detected (parameters: 0x00000003).

Exception thrown at 0x75DCE817 (combase.dll) in testhost.x86.exe: 0xC0000005: Access violation reading location 0x00000004.