diff --git a/OMPython/OMCSession.py b/OMPython/OMCSession.py
index 861f2a3a..ffcfadf2 100644
--- a/OMPython/OMCSession.py
+++ b/OMPython/OMCSession.py
@@ -1022,11 +1022,27 @@ def __init__(
         super().__init__()
         self._omc_port = omc_port
 
+    @staticmethod
+    def run_model_executable(cmd_run_data: OMCSessionRunData) -> int:
+        """
+        Run the command defined in cmd_run_data. This class is defined as static method such that there is no need to
+        keep instances of over classes around.
+        """
+        raise OMCSessionException("OMCSessionPort does not support run_model_executable()!")
+
+    def get_log(self) -> str:
+        """
+        Get the log file content of the OMC session.
+        """
+        log = f"No log available if OMC session is defined by port ({self.__class__.__name__})"
+
+        return log
+
     def omc_run_data_update(self, omc_run_data: OMCSessionRunData) -> OMCSessionRunData:
         """
         Update the OMCSessionRunData object based on the selected OMCSession implementation.
         """
-        raise OMCSessionException("OMCSessionPort does not support omc_run_data_update()!")
+        raise OMCSessionException(f"({self.__class__.__name__}) does not support omc_run_data_update()!")
 
 
 class OMCSessionLocal(OMCSession):
diff --git a/tests/test_ArrayDimension.py b/tests/test_ArrayDimension.py
index 13b3c11b..6e80d53f 100644
--- a/tests/test_ArrayDimension.py
+++ b/tests/test_ArrayDimension.py
@@ -2,18 +2,18 @@
 
 
 def test_ArrayDimension(tmp_path):
-    omc = OMPython.OMCSessionZMQ()
+    omcs = OMPython.OMCSessionLocal()
 
-    omc.sendExpression(f'cd("{tmp_path.as_posix()}")')
+    omcs.sendExpression(f'cd("{tmp_path.as_posix()}")')
 
-    omc.sendExpression('loadString("model A Integer x[5+1,1+6]; end A;")')
-    omc.sendExpression("getErrorString()")
+    omcs.sendExpression('loadString("model A Integer x[5+1,1+6]; end A;")')
+    omcs.sendExpression("getErrorString()")
 
-    result = omc.sendExpression("getComponents(A)")
+    result = omcs.sendExpression("getComponents(A)")
     assert result[0][-1] == (6, 7), "array dimension does not match"
 
-    omc.sendExpression('loadString("model A Integer y = 5; Integer x[y+1,1+9]; end A;")')
-    omc.sendExpression("getErrorString()")
+    omcs.sendExpression('loadString("model A Integer y = 5; Integer x[y+1,1+9]; end A;")')
+    omcs.sendExpression("getErrorString()")
 
-    result = omc.sendExpression("getComponents(A)")
+    result = omcs.sendExpression("getComponents(A)")
     assert result[-1][-1] == ('y+1', 10), "array dimension does not match"
diff --git a/tests/test_FMIRegression.py b/tests/test_FMIRegression.py
index b61b8d49..8a91c514 100644
--- a/tests/test_FMIRegression.py
+++ b/tests/test_FMIRegression.py
@@ -7,21 +7,21 @@
 
 
 def buildModelFMU(modelName):
-    omc = OMPython.OMCSessionZMQ()
+    omcs = OMPython.OMCSessionLocal()
 
     tempdir = pathlib.Path(tempfile.mkdtemp())
     try:
-        omc.sendExpression(f'cd("{tempdir.as_posix()}")')
+        omcs.sendExpression(f'cd("{tempdir.as_posix()}")')
 
-        omc.sendExpression("loadModel(Modelica)")
-        omc.sendExpression("getErrorString()")
+        omcs.sendExpression("loadModel(Modelica)")
+        omcs.sendExpression("getErrorString()")
 
         fileNamePrefix = modelName.split(".")[-1]
         exp = f'buildModelFMU({modelName}, fileNamePrefix="{fileNamePrefix}")'
-        fmu = omc.sendExpression(exp)
+        fmu = omcs.sendExpression(exp)
         assert os.path.exists(fmu)
     finally:
-        del omc
+        del omcs
         shutil.rmtree(tempdir, ignore_errors=True)
 
 
diff --git a/tests/test_ModelicaSystem.py b/tests/test_ModelicaSystem.py
index dcc55d0b..dd0321ec 100644
--- a/tests/test_ModelicaSystem.py
+++ b/tests/test_ModelicaSystem.py
@@ -47,14 +47,15 @@ def worker():
         )
         mod.simulate()
         mod.convertMo2Fmu(fmuType="me")
+
     for _ in range(10):
         worker()
 
 
 def test_setParameters():
-    omc = OMPython.OMCSessionZMQ()
-    model_path_str = omc.sendExpression("getInstallationDirectoryPath()") + "/share/doc/omc/testmodels"
-    model_path = omc.omcpath(model_path_str)
+    omcs = OMPython.OMCSessionLocal()
+    model_path_str = omcs.sendExpression("getInstallationDirectoryPath()") + "/share/doc/omc/testmodels"
+    model_path = omcs.omcpath(model_path_str)
     mod = OMPython.ModelicaSystem()
     mod.model(
         model_file=model_path / "BouncingBall.mo",
@@ -87,9 +88,9 @@ def test_setParameters():
 
 
 def test_setSimulationOptions():
-    omc = OMPython.OMCSessionZMQ()
-    model_path_str = omc.sendExpression("getInstallationDirectoryPath()") + "/share/doc/omc/testmodels"
-    model_path = omc.omcpath(model_path_str)
+    omcs = OMPython.OMCSessionLocal()
+    model_path_str = omcs.sendExpression("getInstallationDirectoryPath()") + "/share/doc/omc/testmodels"
+    model_path = omcs.omcpath(model_path_str)
     mod = OMPython.ModelicaSystem()
     mod.model(
         model_file=model_path / "BouncingBall.mo",
@@ -155,11 +156,9 @@ def test_customBuildDirectory(tmp_path, model_firstorder):
 @skip_on_windows
 @skip_python_older_312
 def test_getSolutions_docker(model_firstorder):
-    omcp = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
-    omc = OMPython.OMCSessionZMQ(omc_process=omcp)
-
+    omcs = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
     mod = OMPython.ModelicaSystem(
-        session=omc.omc_process,
+        session=omcs,
     )
     mod.model(
         model_file=model_firstorder,
diff --git a/tests/test_ModelicaSystemDoE.py b/tests/test_ModelicaSystemDoE.py
index 79c6e62d..0e8d6caa 100644
--- a/tests/test_ModelicaSystemDoE.py
+++ b/tests/test_ModelicaSystemDoE.py
@@ -69,15 +69,14 @@ def test_ModelicaSystemDoE_local(tmp_path, model_doe, param_doe):
 @skip_on_windows
 @skip_python_older_312
 def test_ModelicaSystemDoE_docker(tmp_path, model_doe, param_doe):
-    omcp = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
-    omc = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert omc.sendExpression("getVersion()") == "OpenModelica 1.25.0"
+    omcs = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
+    assert omcs.sendExpression("getVersion()") == "OpenModelica 1.25.0"
 
     doe_mod = OMPython.ModelicaSystemDoE(
         model_file=model_doe,
         model_name="M",
         parameters=param_doe,
-        session=omcp,
+        session=omcs,
         simargs={"override": {'stopTime': 1.0}},
     )
 
diff --git a/tests/test_OMCPath.py b/tests/test_OMCPath.py
index b37e7c63..2ea8b8c8 100644
--- a/tests/test_OMCPath.py
+++ b/tests/test_OMCPath.py
@@ -15,54 +15,41 @@
 )
 
 
-def test_OMCPath_OMCSessionZMQ():
-    om = OMPython.OMCSessionZMQ()
-
-    _run_OMCPath_checks(om)
-
-    del om
-
-
 def test_OMCPath_OMCProcessLocal():
-    omp = OMPython.OMCSessionLocal()
-    om = OMPython.OMCSessionZMQ(omc_process=omp)
+    omcs = OMPython.OMCSessionLocal()
 
-    _run_OMCPath_checks(om)
+    _run_OMCPath_checks(omcs)
 
-    del om
+    del omcs
 
 
 @skip_on_windows
 @skip_python_older_312
 def test_OMCPath_OMCProcessDocker():
-    omcp = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
-    om = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert om.sendExpression("getVersion()") == "OpenModelica 1.25.0"
+    omcs = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
+    assert omcs.sendExpression("getVersion()") == "OpenModelica 1.25.0"
 
-    _run_OMCPath_checks(om)
+    _run_OMCPath_checks(omcs)
 
-    del omcp
-    del om
+    del omcs
 
 
 @pytest.mark.skip(reason="Not able to run WSL on github")
 @skip_python_older_312
 def test_OMCPath_OMCProcessWSL():
-    omcp = OMPython.OMCSessionWSL(
+    omcs = OMPython.OMCSessionWSL(
         wsl_omc='omc',
         wsl_user='omc',
         timeout=30.0,
     )
-    om = OMPython.OMCSessionZMQ(omc_process=omcp)
 
-    _run_OMCPath_checks(om)
+    _run_OMCPath_checks(omcs)
 
-    del omcp
-    del om
+    del omcs
 
 
-def _run_OMCPath_checks(om: OMPython.OMCSessionZMQ):
-    p1 = om.omcpath_tempdir()
+def _run_OMCPath_checks(omcs: OMPython.OMCSession):
+    p1 = omcs.omcpath_tempdir()
     p2 = p1 / 'test'
     p2.mkdir()
     assert p2.is_dir()
@@ -81,14 +68,14 @@ def _run_OMCPath_checks(om: OMPython.OMCSessionZMQ):
 
 
 def test_OMCPath_write_file(tmpdir):
-    om = OMPython.OMCSessionZMQ()
+    omcs = OMPython.OMCSessionLocal()
 
     data = "abc # \\t # \" # \\n # xyz"
 
-    p1 = om.omcpath_tempdir()
+    p1 = omcs.omcpath_tempdir()
     p2 = p1 / 'test.txt'
     p2.write_text(data=data)
 
     assert data == p2.read_text()
 
-    del om
+    del omcs
diff --git a/tests/test_OMSessionCmd.py b/tests/test_OMSessionCmd.py
index bff4afde..d3997ecf 100644
--- a/tests/test_OMSessionCmd.py
+++ b/tests/test_OMSessionCmd.py
@@ -2,8 +2,8 @@
 
 
 def test_isPackage():
-    omczmq = OMPython.OMCSessionZMQ()
-    omccmd = OMPython.OMCSessionCmd(session=omczmq.omc_process)
+    omcs = OMPython.OMCSessionLocal()
+    omccmd = OMPython.OMCSessionCmd(session=omcs)
     assert not omccmd.isPackage('Modelica')
 
 
diff --git a/tests/test_ZMQ.py b/tests/test_ZMQ.py
index ba101560..1302a79d 100644
--- a/tests/test_ZMQ.py
+++ b/tests/test_ZMQ.py
@@ -14,58 +14,55 @@ def model_time_str():
 
 
 @pytest.fixture
-def om(tmp_path):
+def omcs(tmp_path):
     origDir = pathlib.Path.cwd()
     os.chdir(tmp_path)
-    om = OMPython.OMCSessionZMQ()
+    omcs = OMPython.OMCSessionLocal()
     os.chdir(origDir)
-    return om
+    return omcs
 
 
-def testHelloWorld(om):
-    assert om.sendExpression('"HelloWorld!"') == "HelloWorld!"
+def testHelloWorld(omcs):
+    assert omcs.sendExpression('"HelloWorld!"') == "HelloWorld!"
 
 
-def test_Translate(om, model_time_str):
-    assert om.sendExpression(model_time_str) == ("M",)
-    assert om.sendExpression('translateModel(M)') is True
+def test_Translate(omcs, model_time_str):
+    assert omcs.sendExpression(model_time_str) == ("M",)
+    assert omcs.sendExpression('translateModel(M)') is True
 
 
-def test_Simulate(om, model_time_str):
-    assert om.sendExpression(f'loadString("{model_time_str}")') is True
-    om.sendExpression('res:=simulate(M, stopTime=2.0)')
-    assert om.sendExpression('res.resultFile')
+def test_Simulate(omcs, model_time_str):
+    assert omcs.sendExpression(f'loadString("{model_time_str}")') is True
+    omcs.sendExpression('res:=simulate(M, stopTime=2.0)')
+    assert omcs.sendExpression('res.resultFile')
 
 
-def test_execute(om):
+def test_execute(omcs):
     with pytest.deprecated_call():
-        assert om.execute('"HelloWorld!"') == '"HelloWorld!"\n'
-    assert om.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
-    assert om.sendExpression('"HelloWorld!"', parsed=True) == 'HelloWorld!'
+        assert omcs.execute('"HelloWorld!"') == '"HelloWorld!"\n'
+    assert omcs.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
+    assert omcs.sendExpression('"HelloWorld!"', parsed=True) == 'HelloWorld!'
 
 
-def test_omcprocessport_execute(om):
-    port = om.omc_process.get_port()
-    omcp = OMPython.OMCSessionPort(omc_port=port)
+def test_omcprocessport_execute(omcs):
+    port = omcs.get_port()
+    omcs2 = OMPython.OMCSessionPort(omc_port=port)
 
     # run 1
-    om1 = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert om1.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
+    assert omcs.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
 
     # run 2
-    om2 = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert om2.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
+    assert omcs2.sendExpression('"HelloWorld!"', parsed=False) == '"HelloWorld!"\n'
 
-    del om1
-    del om2
+    del omcs2
 
 
-def test_omcprocessport_simulate(om, model_time_str):
-    port = om.omc_process.get_port()
-    omcp = OMPython.OMCSessionPort(omc_port=port)
+def test_omcprocessport_simulate(omcs, model_time_str):
+    port = omcs.get_port()
+    omcs2 = OMPython.OMCSessionPort(omc_port=port)
 
-    om = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert om.sendExpression(f'loadString("{model_time_str}")') is True
-    om.sendExpression('res:=simulate(M, stopTime=2.0)')
-    assert om.sendExpression('res.resultFile') != ""
-    del om
+    assert omcs2.sendExpression(f'loadString("{model_time_str}")') is True
+    omcs2.sendExpression('res:=simulate(M, stopTime=2.0)')
+    assert omcs2.sendExpression('res.resultFile') != ""
+
+    del omcs2
diff --git a/tests/test_docker.py b/tests/test_docker.py
index 025c48e3..f1973599 100644
--- a/tests/test_docker.py
+++ b/tests/test_docker.py
@@ -10,23 +10,17 @@
 
 @skip_on_windows
 def test_docker():
-    omcp = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
-    om = OMPython.OMCSessionZMQ(omc_process=omcp)
-    assert om.sendExpression("getVersion()") == "OpenModelica 1.25.0"
+    omcs = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal")
+    assert omcs.sendExpression("getVersion()") == "OpenModelica 1.25.0"
 
-    omcpInner = OMPython.OMCSessionDockerContainer(dockerContainer=omcp.get_docker_container_id())
-    omInner = OMPython.OMCSessionZMQ(omc_process=omcpInner)
-    assert omInner.sendExpression("getVersion()") == "OpenModelica 1.25.0"
+    omcsInner = OMPython.OMCSessionDockerContainer(dockerContainer=omcs.get_docker_container_id())
+    assert omcsInner.sendExpression("getVersion()") == "OpenModelica 1.25.0"
 
-    omcp2 = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal", port=11111)
-    om2 = OMPython.OMCSessionZMQ(omc_process=omcp2)
-    assert om2.sendExpression("getVersion()") == "OpenModelica 1.25.0"
+    omcs2 = OMPython.OMCSessionDocker(docker="openmodelica/openmodelica:v1.25.0-minimal", port=11111)
+    assert omcs2.sendExpression("getVersion()") == "OpenModelica 1.25.0"
 
-    del omcp2
-    del om2
+    del omcs2
 
-    del omcpInner
-    del omInner
+    del omcsInner
 
-    del omcp
-    del om
+    del omcs