ci: Install tshark rather than wireshark for tests

Author: mefistotelis

.github/workflows/tests-xv4.yaml

@@ -75,7 +75,7 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y libusb-1.0-0-dev # required to build rkflashtool
         sudo apt-get install -y binutils-arm-none-eabi # required to test bin2elf
-        sudo apt-get install -y wireshark # required to use LUA dissectors
+        sudo apt-get install -y tshark # required to use LUA dissectors
         python -m pip install --upgrade pip
         pip install pyserial # required to test comm_* tools
         pip install lz4 # required to extract compressed files within the FW modules
@@ -103,8 +103,10 @@ jobs:
       run: |
         mkdir -p $HOME/.config/wireshark
         cp "comm_dissector/wireshark/init.lua" "$HOME/.config/wireshark/init.lua"
-        sed -i 's/dji_script_path = \".*\"/dji_script_path = \"${{ env.working-directory }}\/comm_dissector\/wireshark\/\"/' "$HOME/.config/wireshark/init.lua"
-        touch "$HOME/.config/wireshark/user_dlts"
+        sed -i 's@dji_script_path = \".*\"@dji_script_path = \"'"$(pwd)"'/comm_dissector/wireshark/\"@' "$HOME/.config/wireshark/init.lua"
+        # The above setup is enough to have protocols visible
+        tshark -G protocols | grep DJI
+        echo '# This file is automatically generated, DO NOT MODIFY.' | tee "$HOME/.config/wireshark/user_dlts"
         echo '"User 3 (DLT=150)","dji_dumlv1","0","","0",""' | tee -a "$HOME/.config/wireshark/user_dlts"
 
     - name: Lint with flake8