i was right, the in game log shows FAR more errors then the test runner also.
15:52:23 INFO StoreItemCollector - D:\Users\Admin\Downloads\FS25_PaccarVocationalMegaPack\modDesc.xml
15:52:23 INFO StoreItemCollector - collected 9 store items from 1 xml files
15:52:23 INFO I3DCollector - number parsed i3d files: 21 (0 excluded by settings)
15:52:23 INFO TextureCollector - Collecting referenced texture paths
15:52:24 INFO TextureCollector - found 24 texture references in 44 xml files
15:52:24 INFO TextureCollector - found 0 texture references in 5 lua files
15:52:24 INFO DDSCollector - Parsing 243 dds file headers
15:52:26 INFO DDSCollector - number parsed dds files: 243 (0 excluded by settings)
15:52:26 INFO DDSCollector - number of parsed gim files: 0
15:52:26 INFO AbstractModule - module DXTCheck result: FAIL
15:52:26 INFO DXTCheck - files with invalid compression (92)
15:52:26 INFO DXTCheck - excluded due to gim file (0)
15:52:26 INFO MipMapCheck - Checking MipMaps for 242 dds-files
15:52:27 INFO AbstractModule - module MipMapCheck result: FAIL
15:52:27 INFO MipMapCheck - conflicted texture-files (0)
15:52:27 INFO MipMapCheck - missing MipMaps (154)
15:52:27 INFO MipMapCheck - unnecessary MipMaps (0)
15:52:27 INFO MipMapCheck - excluded due to gim file (0)
15:52:27 INFO AbstractModule - module TextureCheck result: SUCCESS
15:52:28 INFO AbstractModule - module I3DCheck result: FAIL
15:52:28 INFO ModDescCheck - Analysing modDesc FS25_PaccarVocationalMegaPack/modDesc.xml
15:52:28 INFO AbstractModule - module ModDescCheck result: FAIL
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO DescBuilder - ['jacktrucks'] not found, make sure the name and case are correct (use --verbose for more output)
15:52:28 INFO AbstractModule - module DescBuilder result: SUCCESS
15:52:28 INFO AbstractModule - module PreFabCheck result: SUCCESS
15:52:28 INFO AbstractModule - module VehicleCheck result: SUCCESS
15:52:28 INFO AbstractModule - module PlaceableCheck result: SUCCESS
15:52:28 INFO AbstractModule - module MapCheck result: SUCCESS
15:52:28 INFO AbstractModule - module SlotCheck result: SUCCESS
15:52:28 INFO ObsoleteFiles - Checking for obsolete content
15:52:28 INFO ObsoleteFiles - Checking for file content duplicates
15:52:28 INFO ObsoleteFiles - hashing 186 files for identifying duplicates
15:52:29 INFO AbstractModule - module ObsoleteFiles result: FAIL
15:52:29 INFO EditorCheck - 0 of 21 i3d-files excluded by filter
15:52:29 INFO EditorCheck - Creating lua script for loading 21 i3d files
15:52:29 INFO EditorCheck - Starting C:/Program Files/GIANTS Software/GIANTS_Editor_10.0.11/editor.exe to load 21 i3d-files
15:52:35 INFO EditorCheck - Editor hardware profile set to: Very Low
15:54:02 INFO EditorCheck - EditorCheck - Editor finished executing lua code
15:54:03 INFO EditorCheck - found 170 errors in 23 i3d file(s)
15:54:03 INFO AbstractModule - module EditorCheck result: FAIL
15:54:03 INFO ShaderCheckEditor - 0 of 21 i3d-files excluded by filter
15:54:03 INFO ShaderCheckEditor - Creating lua script for loading 21 i3d files
15:54:03 INFO ShaderCheckEditor - Starting C:/Program Files/GIANTS Software/GIANTS_Editor_10.0.11/editor.exe to load 21 i3d-files
15:55:17 INFO ShaderCheckEditor - ShaderCheck - Editor finished executing lua code
15:55:19 INFO ShaderCheckEditor - Analysing ShaderCheckEditor report
15:55:19 INFO AbstractModule - module ShaderCheckEditor result: FAIL
15:55:19 INFO TestRunner - Saving test result to 'D:/Users/Admin/Downloads/TestRunner_public_0_9_13/testResult_FS25_PaccarVocationalMegaPack_FAIL.xml'
15:55:20 INFO TestRunner - Saving test result to 'D:/Users/Admin/Downloads/TestRunner_public_0_9_13/testResult_FS25_PaccarVocationalMegaPack_FAIL.html'
15:55:20 INFO root - Finished execution