Try using reusable workflows

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

.github/workflows/build.yml

@@ -0,0 +1,16 @@
+
+name: Reusable build workflow
+
+on:
+  workflow_call:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository and submodules
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
+    - name: Build in container
+      run: ./tests/build-in-docker.sh

.github/workflows/test.yml

@@ -22,24 +22,23 @@ on:
   workflow_dispatch:
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
+    uses: ./.github/workflows/build.yml
     steps:
     - name: Checkout repository and submodules
       uses: actions/checkout@v3
       with:
         submodules: recursive
-    - name: Build in container
-      run: ./tests/build-in-docker.sh
-  test:
-    runs-on: ubuntu-latest
-    needs: build
-    steps:
     - name: Test PCSC (pytest)
       run: ./tests/run-test-in-docker.sh
   test_pkcs11:
     runs-on: ubuntu-latest
-    needs: build
+    uses: ./.github/workflows/build.yml
     steps:
+    - name: Checkout repository and submodules
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
     - name: Test PKCS11
       run: ./tests/run-test-pkcs11-in-docker.sh