Update hello.yml

.github/workflows/hello.yml

@@ -17,6 +17,7 @@ jobs:
         include:
           - hello: AAA
             bye: BBB
+            wait: true
           - hello: CCC
             key: DDD
           - hello: EEE
@@ -25,7 +26,11 @@ jobs:
     - uses: actions/checkout@v2
     
     - name: Run a one-line script
-      run: |
-        echo HELLO ${{matrix.hello}} and BYE ${{matrix.bye}}
-        sleep 20
-        echo HELLO ${{matrix.hello}} and BYE ${{matrix.bye}}
+      run: echo HELLO ${{matrix.hello}} and BYE ${{matrix.bye}}
+        
+    - name: Wait
+      if: matrix.wait
+      run: sleep 20
+      
+    - name: Run again
+      run: echo HELLO ${{matrix.hello}} and BYE ${{matrix.bye}}