Set and unset ISIS facility

qt/scientific_interfaces/test/ISISReflectometry/Runs/RunsPresenterTest.h

@@ -40,6 +40,19 @@ using testing::ReturnRef;
 //=====================================================================================
 class RunsPresenterTest : public CxxTest::TestSuite {
 public:
+
+  void setUp() override {
+
+    Mantid::Kernel::ConfigService::Instance().setString("default.facility", "ISIS");
+
+  }
+
+  void tearDown() override {
+
+    Mantid::Kernel::ConfigService::Instance().setString("default.facility", "NONE");
+
+  }
+
   // This pair of boilerplate methods prevent the suite being created statically
   // This means the constructor isn't called when running other tests
   static RunsPresenterTest *createSuite() { return new RunsPresenterTest(); }