Conditional didn't work in CI. (#1237)

* Conditional didn't work in CI.

* Try to fix flaky exit.

.github/workflows/ci.yml

@@ -57,7 +57,7 @@ jobs:
 
       - name: Run Black
         run: pip install black && black --check .
-        if: ${{ matrix.python_version == '3.6' }}
+        if: matrix.python-version == '3.6'
 
       - name: Coverage
         run: |

tests/features/steps/basic_commands.py

@@ -65,6 +65,7 @@ def step_ctrl_d(context):
     Send Ctrl + D to hopefully exit.
     """
     # turn off pager before exiting
+    context.cli.sendcontrol("c")
     context.cli.sendline("\pset pager off")
     wrappers.wait_prompt(context)
     context.cli.sendcontrol("d")