Skip converting certain projects when they are passed to pro2cmake

Specifically skip cmake tests projects (because they are only needed
when Qt is built with qmake).
Also skip test qmake projects in qmake's test suite.
We might find more tests to skip in the future.

Change-Id: I4c3a42db669b31e81fd06206652371b6a70fd8ce
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Reviewed-by: Qt CMake Build Bot

util/cmake/pro2cmake.py

@@ -2485,6 +2485,23 @@ def copy_generated_file_to_final_location(scope: Scope, keep_temporary_files=Fal
         os.remove(scope.generated_cmake_lists_path)
 
 
+def should_convert_project(project_file_path: str = '') -> bool:
+    qmake_conf_path = find_qmake_conf(project_file_path)
+    qmake_conf_dir_path = os.path.dirname(qmake_conf_path)
+
+    project_relative_path = os.path.relpath(project_file_path, qmake_conf_dir_path)
+
+    # Skip cmake auto tests, they should not be converted.
+    if project_relative_path.startswith('tests/auto/cmake'):
+        return False
+
+    # Skip qmake testdata projects.
+    if project_relative_path.startswith('tests/auto/tools/qmake/testdata'):
+        return False
+
+    return True
+
+
 def main() -> None:
     args = _parse_commandline()
 
@@ -2498,6 +2515,11 @@ def main() -> None:
         if new_current_dir:
             os.chdir(new_current_dir)
 
+        project_file_absolute_path = os.path.abspath(file)
+        if not should_convert_project(project_file_absolute_path):
+            print('Skipping conversion of project: "{}"'.format(project_file_absolute_path))
+            continue
+
         parseresult = parseProFile(file_relative_path, debug=debug_parsing)
 
         if args.debug_parse_result or args.debug: