ci: Upload test logs as build artifacts

To be able to better understand why a test might fail on a particular
platform upload the log files as a build artifact.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

.github/test.sh

@@ -8,6 +8,7 @@ cd ivtest
 status=0
 
 perl vvp_reg.pl || status=1
+mv log vvp_log
 
 perl vpi_reg.pl || status=1
 

.github/workflows/test.yml

@@ -34,7 +34,12 @@ jobs:
 
     - name: Test
       run: ./.github/test.sh
-
+    - name: Archive test logs
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-logs-macOS
+        path: ivtest/*log/*
 
   lin:
     strategy:
@@ -65,6 +70,13 @@ jobs:
     - name: Test
       run: ./.github/test.sh
 
+    - name: Archive test logs
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-logs-ubuntu-${{ matrix.os }}
+        path: ivtest/*log/*
+
     - name: Documentation
       run: |
         cd Documentation
@@ -118,6 +130,13 @@ jobs:
       run: |
         ./.github/test.sh
 
+    - name: Archive test logs
+      if: always()
+      uses: actions/upload-artifact@v3
+      with:
+        name: test-logs-${{ matrix.msystem }}-${{ matrix.arch }}
+        path: ivtest/*log/*
+
     - uses: actions/upload-artifact@v3
       with:
         name: ${{ matrix.msystem }}-${{ matrix.arch }}