Make unit tests use default config

.github/workflows/.travis.yml

@@ -10,6 +10,7 @@ jobs:
     build:
         runs-on: ${{ matrix.os }}
         env: 
+            UNITTEST: ${{ true }}
             TOXENV: ${{ matrix.test }}
             RUN_INTEGRATION_TESTS: ${{ matrix.test_number}}
         steps:

.github/workflows/run_travis.yml

@@ -1,21 +0,0 @@
-name: "Run Travis.yml"
-
-on:
-    push:
-        branches: [ master ]
-    pull_request:
-        branches: [ master ]
-
-jobs:
-    test:
-        name: test
-        runs-on: ubuntu-latest
-        steps:
-        -   name: Run .travis.yml build script
-            uses: ktomk/run-travis-yml@v1.8.1
-            with:
-                file: .travis.yml
-                steps: |
-                    install
-                    script
-                allow-failure: false