Trying to fix the linux builds. Re #23920

buildconfig/CMake/Packaging/mantidpython.in

@@ -46,6 +46,7 @@ fi
 
 LD_PRELOAD=${LOCAL_PRELOAD} TCMALLOC_RELEASE_RATE=${TCM_RELEASE} \
     TCMALLOC_LARGE_ALLOC_REPORT_THRESHOLD=${TCM_REPORT} \
+    @MTD_PATH_DEFINITION@ \
     PYTHONPATH=${LOCAL_PYTHONPATH} \
     QT_API=${LOCAL_QT_API} \
     LD_LIBRARY_PATH=${LOCAL_LDPATH} \

qt/python/mantidqt/utils/qt/test/run_test_app.py

@@ -79,8 +79,6 @@ class ScriptRunner(object):
                 if self.script_iter is None:
                     if self.close_on_finish:
                         self.widget.close()
-                        app.quit()
-                        app = None
                     return
                 # Run test script until the next 'yield'
                 pause_sec = self.script_iter.next()
@@ -97,8 +95,6 @@ class ScriptRunner(object):
                     self.parent_iter = None
                 elif self.close_on_finish:
                     self.widget.close()
-                    app.quit()
-                    app = None
             except:
                 self.widget.close()
                 traceback.print_exc()
@@ -123,8 +119,8 @@ def open_in_window(widget_name, script, attach_debugger=True, pause=0, close_on_
     global app
     if attach_debugger:
         raw_input('Please attach the Debugger now if required. Press any key to continue')
-    setup_library_paths()
     if app is None:
+        setup_library_paths()
         app = QApplication([""])
     if isinstance(widget_name, six.string_types):
         w = create_widget(widget_name)

qt/python/mantidqt/widgets/test/test_fitpropertybrowser.py

@@ -4,6 +4,7 @@ import unittest
 from qtpy.QtWidgets import QMessageBox, QApplication
 from qtpy.QtCore import Qt, QMetaObject
 
+from mantid import FrameworkManager
 from mantidqt.utils.qt.test.test_window import GuiTestBase
 from mantidqt.widgets.fitpropertybrowser import FitPropertyBrowser