[Github Action] Fix MSYS Paths for g++ and gdb (#1232)

* Find GDB and G++

* Update test/CppTests/TestConfigurations/config_msys_gdb.xml

Author: WardenGnaw

.github/workflows/pull-request.yml

@@ -76,7 +76,14 @@ jobs:
         update: true
         install: >-
           mingw-w64-x86_64-toolchain
-      
+    
+    - shell: msys2 {0}
+      name: Gather c++ toolchain paths
+      run: |
+        cygpath -w $(which g++)
+        cygpath -w $(which g++)
+
+
     - run: >
         dotnet test ${{ github.workspace }}\bin\DebugAdapterProtocolTests\Debug\CppTests\CppTests.dll --logger "trx;LogFileName=${{ github.workspace }}\bin\DebugAdapterProtocolTests\Debug\CppTests\results.trx"
 

test/CppTests/TestConfigurations/config_msys_gdb.xml

@@ -10,13 +10,13 @@
     <Compiler
       Name="GppMingw64"
       Type="GPlusPlus"
-      Path="D:\a\_temp\msys\msys64\mingw64\bin\g++.exe"/>
+      Path="D:\a\_temp\msys64\mingw64\bin\g++.exe"/>
   </Compilers>
   <Debuggers>
     <Debugger
       Name="GdbMingw64"
       Type="Gdb_MinGW"
-      Path="D:\a\_temp\msys\msys64\mingw64\bin\gdb.exe"
+      Path="D:\a\_temp\msys64\mingw64\bin\gdb.exe"
       AdapterPath="OpenDebugAD7.exe"
       />
   </Debuggers>