Make convert-test-docs use the same docker image as everything else

.circleci/config.yml

@@ -102,12 +102,21 @@ jobs:
     machine:
       image: ubuntu-2004:202111-01
     steps:
-      - run: *install-dependencies-deb
-      - checkout
       - run:
-          name: Build image with podman
+          name: Install dependencies as root
-          command: ./install/linux/build-image.sh
+          command: |
-      - run: *build-deb
+            export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true
+            sudo apt-get update
+            sudo apt-get install -y git ssh podman python-all dh-python python3 python3-stdeb python3-pyside2.qtcore python3-pyside2.qtgui python3-pyside2.qtwidgets python3-appdirs python3-click python3-xdg python3-requests python3-colorama
+      - checkout
+      - restore_cache: *restore-cache
+      - run: *copy-image
+      - run:
+          name: Build the .deb package and install it as root
+          command: |
+            ./install/linux/build-deb.py
+            sudo dpkg -i deb_dist/dangerzone_*-1_all.deb
+            ls -lh deb_dist/dangerzone_*-1_all.deb
       - run:
           name: Convert each test document
           command: |
@@ -338,7 +347,9 @@ workflows:
 
   build:
     jobs:
-      - convert-test-docs
+      - build-container-image
+      - convert-test-docs:
+          requires:
             - build-container-image
       - build-ubuntu-impish:
           requires: