ci/sphinx-tuttest: cleanup

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

.github/workflows/sphinx-tuttest.yml

@@ -51,16 +51,12 @@ jobs:
           submodules: recursive
 
       - name: Install utils
-        if: ${{matrix.os == 'ubuntu' || matrix.os == 'debian'}}
+        run: |
-        run: apt -qqy update && apt -qqy install wget locales && locale-gen $LANG
+          case ${{ matrix.os }} in
-
+            ubuntu|debian) apt -qqy update && apt -qqy install git wget locales && locale-gen $LANG ;;
-      - name: Install utils
+            centos) yum -y install git wget ;;
-        if: ${{matrix.os == 'centos'}}
+            fedora) dnf install -y git wget ;;
-        run: yum -y install wget
+          esac
-
-      - name: Install utils
-        if: ${{matrix.os == 'fedora'}}
-        run: dnf install -y wget
 
       - name: Install tuttest
         run: |
@@ -102,23 +98,20 @@ jobs:
     container: ${{matrix.os}}:${{matrix.os-version}}
 
     steps:
-      - name: Install utils
-        if: ${{matrix.os == 'ubuntu' || matrix.os == 'debian'}}
-        run: apt -qqy update && apt -qqy install git wget locales && locale-gen $LANG
-
-      - name: Install utils
-        if: ${{matrix.os == 'centos'}}
-        run: yum -y install git wget
-
-      - name: Install utils
-        if: ${{matrix.os == 'fedora'}}
-        run: dnf install -y git wget
 
       - name: Setup repository
         uses: actions/checkout@v3
         with:
           submodules: recursive
 
+      - name: Install utils
+        run: |
+          case ${{ matrix.os }} in
+            ubuntu|debian) apt -qqy update && apt -qqy install git wget locales && locale-gen $LANG ;;
+            centos) yum -y install git wget ;;
+            fedora) dnf install -y git wget ;;
+          esac
+
       - name: Install tuttest
         run: |
           wget https://github.com/antmicro/tuttest/releases/download/v0.2-beta/tuttest -O /usr/bin/tuttest