Added test_ratio to VS2022 project

Author: jwellbelove

.gitignore

@@ -388,3 +388,4 @@ support/time remaining test.xlsx
 test/vs2022/Debug MSVC C++20 - Force C++03
 test/vs2022/Release MSVC C++20 - No STL - Optimised -O2 - Sanitiser
 test/test_file_list.txt
+test/etl_error_handler/assert_function/build-make

test/vs2022/etl.vcxproj

@@ -8883,6 +8883,7 @@
     <ClCompile Include="..\test_quantize.cpp" />
     <ClCompile Include="..\test_queue_lockable.cpp" />
     <ClCompile Include="..\test_queue_lockable_small.cpp" />
+    <ClCompile Include="..\test_ratio.cpp" />
     <ClCompile Include="..\test_rescale.cpp" />
     <ClCompile Include="..\test_result.cpp" />
     <ClCompile Include="..\test_rms.cpp" />

test/vs2022/etl.vcxproj.filters

@@ -3386,6 +3386,9 @@
     <ClCompile Include="..\syntax_check\stringify.h.t.cpp">
       <Filter>Tests\Syntax Checks\Source</Filter>
     </ClCompile>
+    <ClCompile Include="..\test_ratio.cpp">
+      <Filter>Tests\Maths</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\..\library.properties">