update CI to upload failed results, inject error in monitor to try CI

.github/workflows/uvm_ci.yaml

@@ -43,4 +43,18 @@ jobs:
             exit 1
           else
             echo "All tests passed successfully"
-          fi 
+          fi
+    - name: tar failed tests
+      if: failure()
+      run: |
+        cd verify/uvm-python
+        tar -czf failed_tests.tar.gz sim/default_tag
+    
+    - name: upload failed tests
+      if: failure()
+      uses: actions/upload-artifact@v2
+      with:
+        name: failed_tests
+        path: verify/uvm-python/failed_tests.tar.gz
+
+

verify/uvm-python/uart_agent/uart_monitor.py

@@ -56,6 +56,7 @@ async def sample_tx(self):
             tr.char, tr.parity, tr.word_length = await self.get_char()
             tr.direction = uart_item.TX
             uvm_info(self.tag, "sampled uart TX transaction: " + tr.convert2string(), UVM_HIGH)
+            uvm_error(self.tag, "sampled uart TX transaction: " + tr.convert2string())
             self.monitor_port.write(tr)
             self.tx_received.set()