Adjust PlatformIO CI workflow to current build configuration.

Author: dhebbeker

.github/workflows/platformio.yml

@@ -27,11 +27,5 @@ jobs:
       run: platformio pkg install
     - name: Build default environment
       run: platformio run --verbose
-    - name: On native platform run tests for 'tasks'
-      run: platformio test --verbose --environment test_native_tasks
-    - name: On native platform run tests for 'command line interpreter'
-      run: platformio test --verbose --environment test_native_cli
-    - name: On native platform run tests for 'string_helpers'
-      run: platformio test --verbose --environment test_native_string_helpers
-    - name: Run tests on the native platform for HMI layer
-      run: platformio test --verbose --environment test_native_hmi
+    - name: On native platform run tests
+      run: platformio test --verbose --environment native