diff --git a/tests/conftest.py b/tests/conftest.py
index 1d71451..b5c495a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -19,10 +19,30 @@ def top_level_dir() -> Path:
 
 
 @pytest.fixture(scope="session")
-def buildenv(tmp_path_factory: pytest.TempPathFactory) -> VEnv:
+def wheelhouse(tmp_path_factory: pytest.TempPathFactory) -> Path:
+    return tmp_path_factory.mktemp("wheelhouse")
+
+
+@pytest.fixture(scope="session")
+def buildenv(tmp_path_factory: pytest.TempPathFactory, top_level_dir: Path, wheelhouse: Path) -> VEnv:
     path = tmp_path_factory.mktemp("cmake_env")
     venv = VEnv(path)
+    # install cmake in the venv as it is used as a python module
     venv.install("cmake")
+    # fill wheelhouse with all required wheels
+    # This enable this project to be always the current source, not from a remote index
+    # This also serves as a manual cache, making everything faster when running all tests
+    # All builds must use: "--find-links", wheelhouse.as_posix(), "--no-index"
+    venv.module("pip", "wheel",
+        "cmake",
+        "scikit-build-core",
+        "hatchling",
+        "vtk==9.6.0",
+        "vtk-sdk==9.6.0",
+        top_level_dir.as_posix(),
+        "--extra-index-url", "https://vtk.org/files/wheel-sdks",
+        "--wheel-dir", wheelhouse.as_posix()
+    )
     return venv
 
 
@@ -58,21 +78,7 @@ def dependency(buildenv: VEnv, tmp_path_factory: pytest.TempPathFactory, curdir:
 
 
 @pytest.fixture(scope="session")
-def wheelhouse(tmp_path_factory: pytest.TempPathFactory) -> Path:
-    return tmp_path_factory.mktemp("wheelhouse")
-
-
-@pytest.fixture(scope="session")
-def vtksdk_helper(buildenv: VEnv, top_level_dir: Path, wheelhouse: Path) -> None:
-    buildenv.module(
-        "pip", "wheel", top_level_dir.as_posix(),
-        "--wheel-dir", wheelhouse.as_posix()
-    )
-    assert list(wheelhouse.glob("vtk_sdk_python_wheel_helper-*.whl"))
-
-
-@pytest.fixture(scope="session")
-def basic_project(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse: Path, vtksdk_helper) -> None:
+def basic_project(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse: Path) -> None:
     os.environ["Dependency_ROOT"] = dependency
     
     basic_project_src = (curdir / "BasicProject").as_posix()
@@ -80,14 +86,13 @@ def basic_project(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse: Pat
         "pip", "wheel", basic_project_src,
         "--wheel-dir", wheelhouse.as_posix(),
         "--find-links", wheelhouse.as_posix(),
-        "--extra-index-url", "https://vtk.org/files/wheel-sdks",
-        "--extra-index-url", "https://wheels.vtk.org"
+        "--no-index"
     )
     assert list(wheelhouse.glob("basic_project-*.whl"))
 
 
 @pytest.fixture(scope="session")
-def basic_project_sdk(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse: Path, vtksdk_helper) -> None:
+def basic_project_sdk(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse: Path) -> None:
     os.environ["Dependency_ROOT"] = dependency
     
     basic_project_src = (curdir / "BasicProject" / "SDK").as_posix()
@@ -95,14 +100,12 @@ def basic_project_sdk(buildenv: VEnv, curdir: Path, dependency: str, wheelhouse:
         "pip", "wheel", basic_project_src,
         "--wheel-dir", wheelhouse.as_posix(),
         "--find-links", wheelhouse.as_posix(),
-        "--extra-index-url", "https://vtk.org/files/wheel-sdks",
-        "--extra-index-url", "https://wheels.vtk.org"
+        "--no-index"
     )
-    assert list(wheelhouse.glob("basic_project_sdk-*.whl"))
 
 
 # tmp virtualenv for the test projects
 @pytest.fixture()
-def virtualenv(tmp_path: Path, top_level_dir: Path) -> VEnv:
+def virtualenv(tmp_path: Path, buildenv) -> VEnv:
     path = tmp_path / "venv"
-    return VEnv(path)
+    return VEnv(path)
\ No newline at end of file
diff --git a/tests/packages/all_modules/CMakeLists.txt b/tests/packages/all_modules/CMakeLists.txt
new file mode 100644
index 0000000..e809897
--- /dev/null
+++ b/tests/packages/all_modules/CMakeLists.txt
@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.27...3.31) # min required because of VTK::x11
+
+project(${SKBUILD_PROJECT_NAME}
+  VERSION ${SKBUILD_PROJECT_VERSION}
+  LANGUAGES CXX
+)
+
+# Find the VTK-SDK provided VTK package
+# It will be found in a temporary folder generated by scikit-build-core
+# thanks to the [entry-point mecanism](https://github.com/Kitware/vtk-sdk-python-distributions)
+find_package(VTK CONFIG REQUIRED COMPONENTS CommonCore Python)
+# this is a workaround for a VTK-SDK issue on Windows, caused by vtkRenderingOpenXR module.
+# This should later become the only find_package, and it should be REQUIRED!
+# See https://gitlab.kitware.com/vtk/vtk/-/merge_requests/12363 for more info
+find_package(VTK CONFIG QUIET)
+
+list(REMOVE_ITEM VTK_LIBRARIES 
+  # Public dependency to OpenXR loader makes these hard to import, ignore them
+  VTK::RenderingOpenXR
+  VTK::RenderingOpenXRRemoting
+)
+
+list(JOIN VTK_LIBRARIES "\n  " VTK_LIBRARIES)
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/vtk.module.in
+  ${CMAKE_CURRENT_SOURCE_DIR}/Dummy/vtk.module
+  @ONLY
+)
+
+set(modules Dummy::Dummy)
+
+include(VTKSDKPythonWheelHelper)
+vtksdk_build_modules(${SKBUILD_PROJECT_NAME} MODULES ${modules})
+vtksdk_generate_package_init(${SKBUILD_PROJECT_NAME} MODULES ${modules})
diff --git a/tests/packages/all_modules/Dummy/CMakeLists.txt b/tests/packages/all_modules/Dummy/CMakeLists.txt
new file mode 100644
index 0000000..43f48bf
--- /dev/null
+++ b/tests/packages/all_modules/Dummy/CMakeLists.txt
@@ -0,0 +1 @@
+vtk_module_add_module(Dummy::Dummy CLASSES vtkDummy)
diff --git a/tests/packages/all_modules/Dummy/vtkDummy.cxx b/tests/packages/all_modules/Dummy/vtkDummy.cxx
new file mode 100644
index 0000000..0185cf5
--- /dev/null
+++ b/tests/packages/all_modules/Dummy/vtkDummy.cxx
@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
+// SPDX-License-Identifier: BSD-3-Clause
+#include "vtkDummy.h"
+#include "vtkObjectFactory.h"
+
+//------------------------------------------------------------------------------
+vtkStandardNewMacro(vtkDummy);
+
+//------------------------------------------------------------------------------
+void vtkDummy::PrintSelf(ostream& os, vtkIndent indent)
+{
+  os << indent << "vtkDummy:\n";
+  this->Superclass::PrintSelf(os, indent.GetNextIndent());
+}
diff --git a/tests/packages/all_modules/Dummy/vtkDummy.h b/tests/packages/all_modules/Dummy/vtkDummy.h
new file mode 100644
index 0000000..66b8a57
--- /dev/null
+++ b/tests/packages/all_modules/Dummy/vtkDummy.h
@@ -0,0 +1,24 @@
+// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
+// SPDX-License-Identifier: BSD-3-Clause
+#ifndef vtkDummy_h
+#define vtkDummy_h
+
+#include "vtkDummyModule.h" // For export macro
+#include "vtkObject.h"
+
+class VTKDUMMY_EXPORT vtkDummy : public vtkObject
+{
+public:
+  static vtkDummy* New();
+  vtkTypeMacro(vtkDummy, vtkObject);
+  void PrintSelf(ostream& os, vtkIndent indent) override;
+
+  vtkDummy() = default;
+  ~vtkDummy() override = default;
+
+private:
+  vtkDummy(const vtkDummy&) = delete;
+  void operator=(const vtkDummy&) = delete;
+};
+
+#endif
diff --git a/tests/packages/all_modules/pyproject.toml b/tests/packages/all_modules/pyproject.toml
new file mode 100644
index 0000000..ae185d7
--- /dev/null
+++ b/tests/packages/all_modules/pyproject.toml
@@ -0,0 +1,12 @@
+[build-system]
+requires = [
+  "scikit-build-core",
+  "vtk-sdk==9.6.0", # Version of "vtk-sdk" should always be specified using "==X.Y.Z" and match the one associated with the "vtk" dependency below.
+  "vtk-sdk-python-wheel-helper"
+]
+build-backend = "scikit_build_core.build"
+
+[project]
+name = "all-modules"
+version = "1.2.3"
+dependencies = ["vtk==9.6.0"]
diff --git a/tests/packages/all_modules/vtk.module.in b/tests/packages/all_modules/vtk.module.in
new file mode 100644
index 0000000..18c4be9
--- /dev/null
+++ b/tests/packages/all_modules/vtk.module.in
@@ -0,0 +1,12 @@
+# Note: This file is actually generated and should neither be edited nor committed!
+NAME
+  Dummy::Dummy
+LIBRARY_NAME
+  vtkDummy
+SPDX_LICENSE_IDENTIFIER
+  BSD-3-Clause
+SPDX_COPYRIGHT_TEXT
+  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
+DEPENDS
+  @VTK_LIBRARIES@
+
diff --git a/tests/test_all_modules.py b/tests/test_all_modules.py
new file mode 100644
index 0000000..05ec32b
--- /dev/null
+++ b/tests/test_all_modules.py
@@ -0,0 +1,17 @@
+"""
+This creates a venv and does pip install basic_project_sdk in it, then build another project that consummes the sdk
+"""
+
+from pathlib import Path
+from .venv import VEnv
+
+def test_all_modules(virtualenv: VEnv, curdir: Path, wheelhouse: Path):
+    all_modules_src = (curdir / "packages" / "all_modules").as_posix()
+    virtualenv.module(
+        "pip", "install", all_modules_src,
+        "--find-links", wheelhouse.as_posix(),
+        "--no-index",
+        "--verbose"
+    )
+    
+    virtualenv.execute("from all_modules import vtkDummy; print(vtkDummy()); exit(0)")
diff --git a/tests/test_build_module.py b/tests/test_build_module.py
index a2d5f0d..4acdd85 100644
--- a/tests/test_build_module.py
+++ b/tests/test_build_module.py
@@ -10,8 +10,7 @@ def test_build_module(virtualenv: VEnv, curdir: Path, wheelhouse: Path, basic_pr
     virtualenv.module(
         "pip", "install", test_src,
         "--find-links", wheelhouse.as_posix(),
-        "--extra-index-url", "https://vtk.org/files/wheel-sdks",
-        "--extra-index-url", "https://wheels.vtk.org",
+        "--no-index",
         "--verbose"
     )
 
diff --git a/tests/test_find_package.py b/tests/test_find_package.py
index 9d0ece1..c503929 100644
--- a/tests/test_find_package.py
+++ b/tests/test_find_package.py
@@ -10,5 +10,6 @@ def test_find_package(virtualenv: VEnv, curdir: Path, wheelhouse: Path, basic_pr
     virtualenv.module(
         "pip", "install", test_src,
         "--find-links", wheelhouse.as_posix(),
+        "--no-index",
         "--verbose"
     )
diff --git a/vtk_sdk_python_wheel_helper/VTKSDKPackageInit.cmake b/vtk_sdk_python_wheel_helper/VTKSDKPackageInit.cmake
index 5313b4e..258975b 100644
--- a/vtk_sdk_python_wheel_helper/VTKSDKPackageInit.cmake
+++ b/vtk_sdk_python_wheel_helper/VTKSDKPackageInit.cmake
@@ -79,11 +79,16 @@ function(vtksdk_generate_package_init package_name)
     if(NOT module MATCHES "^VTK::")
       continue()
     endif()
-    # Exclude this module as it is not wrapped in python
-    if(module MATCHES "VTK::WrappingPythonCore")
+    # Ignore unwrapped modules
+    vtk_module_get_property(${module} PROPERTY INTERFACE_vtk_module_exclude_wrap VARIABLE _wrap)
+    if(_wrap)
       continue()
     endif()
     vtk_module_get_property(${module} PROPERTY INTERFACE_vtk_module_library_name VARIABLE _name)
+    # Ignore modules without a library name, this probably means that it is an INTERFACE library
+    if(NOT _name)
+      continue()
+    endif()
     string(APPEND PACKAGE_INIT "import vtkmodules.${_name}\n")
     set(need_del_vtkmodules TRUE)
   endforeach()