Fix TileElementWantsFootpathConnection test not releasing context.

src/openrct2/Context.cpp

@@ -132,6 +132,9 @@ namespace OpenRCT2
             , _uiContext(uiContext)
             , _localisationService(std::make_unique<LocalisationService>(env))
         {
+            // Can't have more than one context currently.
+            Guard::Assert(Instance == nullptr);
+
             Instance = this;
         }
 

test/tests/TileElements.cpp

@@ -36,6 +36,12 @@ protected:
         SUCCEED();
     }
 
+    static void TearDownTestCase()
+    {
+        if (_context)
+            _context.reset();
+    }
+
 private:
     static std::shared_ptr<IContext> _context;
 };