Improve CI flow

Author: evanmiller

.github/workflows/build.yml

@@ -25,14 +25,17 @@ jobs:
         run: make check
         continue-on-error: true
       - name: Upload test log
-        if: failure()
+        if: steps.make-check.outcome == 'failure'
         uses: actions/upload-artifact@v4
         with:
-          name: test-suite-log
+          name: test-suite-log-linux-${{ matrix.compiler }}
           path: test-suite.log
           retention-days: 5
       - name: Generate corpus
         run: make generate_corpus
+      - name: Fail if tests failed
+        if: steps.make-check.outcome == 'failure'
+        run: exit 1
   macos:
     runs-on: macos-latest
     strategy:
@@ -58,11 +61,14 @@ jobs:
         if: steps.make-check.outcome == 'failure'
         uses: actions/upload-artifact@v4
         with:
-          name: test-suite-log
+          name: test-suite-log-macos-${{ matrix.compiler }}
           path: test-suite.log
           retention-days: 5
       - name: Generate corpus
         run: make generate_corpus
+      - name: Fail if tests failed
+        if: steps.make-check.outcome == 'failure'
+        run: exit 1
   windows:
     runs-on: windows-latest
     defaults:
@@ -92,6 +98,9 @@ jobs:
         if: steps.make-check.outcome == 'failure'
         uses: actions/upload-artifact@v4
         with:
-          name: test-suite-log
+          name: test-suite-log-windows
           path: test-suite.log
           retention-days: 5
+      - name: Fail if tests failed
+        if: steps.make-check.outcome == 'failure'
+        run: exit 1