A unit object set enhancement (#3273)

* change return after files are persisted & Change logging

* object set enhancement

* enhance object set

* Object set enhancement

* object set enhancement

* reduce object set

* adapt documentation

* adapt docu

* remove comment blocks

* remove comment blocks

* adapt object set usage

* adapt documentation to new object set usage

* adapt documentation to new object set usage & remove trailing spaces

* Adapt Unit tests

* Adapt Unit tests

* Adapt Unit tests

* cleanup code

* cleanup code

* refactor object set

* remove parallel tests

* reduce set basis

* adapt tests

* dummy commit

* adapt docu

* Update documentation/docs/steps/abapEnvironmentRunAUnitTest.md

* Update documentation/docs/steps/abapEnvironmentRunAUnitTest.md

* Update documentation/docs/steps/abapEnvironmentRunAUnitTest.md

Co-authored-by: Daniel Mieg <56156797+DanielMieg@users.noreply.github.com>

documentation/docs/pipelines/abapEnvironment/stages/Test.md

@@ -106,7 +106,7 @@ stages:
 
 #### aunitConfig.yml
 
-Please note that it is recommended to specify each development package you want to be checked as it is not possible to specify structure packages within the `aUnitConfig.yml` file. You can specify complete development packages using the `includesubpackages: false` parameter like in below example configuration.
+If you want to test complete software components please specify the `aUnitConfig.yml` file like in below example configuration. This configuration will test the software components `Z_TEST_SC` and `Z_TEST_SC2`:
 
 ```yaml
 title: My AUnit run
@@ -125,10 +125,7 @@ options:
     medium: true
     long: true
 objectSet:
-  - type: unionSet
-    set:
-      - type: packageSet
-        package:
-          - name: MY_PACKAGE
-            includeSubpackages: false
+  - softwarecomponents:
+    - name: Z_TEST_SC
+    - name: Z_TEST_SC2
 ```