Update GH Actions for support apt-tests

In this case I also renamed functional-tests script in docker-tests
because is more consistent.

Signed-off-by: Federico Guerinoni <guerra@develer.com>

Author: Federico Guerinoni

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Build
+name: build
 
 on: [push, pull_request]
 

.github/workflows/tests.yml

@@ -11,11 +11,11 @@ jobs:
       - name: check out code
         uses: actions/checkout@v2
 
-      - name: download mod
-        run: go mod download
-
-      - name: run functional tests
-        run: ./scripts/functional-tests.sh
+      - name: run docker tests
+        run: ./scripts/docker-tests.sh
 
       - name: run auth tests
         run: go test -v ./auth
+
+      - name: run apt tests
+        run: ./scripts/apt-tests.sh