Try this

Author: DifferentialOrange

.github/workflows/testing.yml

@@ -173,11 +173,23 @@ jobs:
         with:
           distribution: Ubuntu-20.04
 
-      - name: Setup test Tarantool
+      - name: Install Tarantool ${{ matrix.tarantool }}
+        if: matrix.tarantool != '2.x-latest'
+        shell: wsl-bash_Ubuntu-20.04 {0}
+        run: |
+          curl -L https://tarantool.io/installer.sh | VER=${{ matrix.tarantool }} sudo bash
+          sudo apt install -y tarantool tarantool-dev
+
+      - name: Install latest Tarantool 2.x
+        if: matrix.tarantool == '2.x-latest'
         shell: wsl-bash_Ubuntu-20.04 {0}
         run: |
           curl -L https://tarantool.io/pre-release/2/installer.sh | sudo bash
           sudo apt install -y tarantool tarantool-dev
+
+      - name: Setup test Tarantool
+        shell: wsl-bash_Ubuntu-20.04 {0}
+        run: |
           TNT_PID=$(tarantool ./test/suites/lib/tarantool_python_ci.lua > tarantool.log 2>&1 & echo $!)
           rm -f ./tnt_pid
           touch tnt_pid
@@ -190,6 +202,6 @@ jobs:
         run: make test
 
       - name: Stop test Tarantool
-        if: ${{ always() }} && process.env.TNT_PID != ''
+        if: ${{ always() }}
         shell: wsl-bash_Ubuntu-20.04 {0}
-        run: kill $(cat tnt_pid)
+        run: kill $(cat tnt_pid) || true