Uncomment region map test

Author: Aaron Caldwell

test/interpreter_functional/test_suites/run_pipeline/basic.ts

@@ -113,11 +113,10 @@ export default function({
           await expectExpression('partial_test_2', metricExpr, context).toMatchSnapshot()
         ).toMatchScreenshot();
 
-        // TODO: should be uncommented when the region map is migrated to the new platform
-        // const regionMapExpr = `regionmap visConfig='{"metric":{"accessor":1,"format":{"id":"number"}},"bucket":{"accessor":0}}'`;
-        // await (
-        //   await expectExpression('partial_test_3', regionMapExpr, context).toMatchSnapshot()
-        // ).toMatchScreenshot();
+        const regionMapExpr = `regionmap visConfig='{"metric":{"accessor":1,"format":{"id":"number"}},"bucket":{"accessor":0}}'`;
+        await (
+          await expectExpression('partial_test_3', regionMapExpr, context).toMatchSnapshot()
+        ).toMatchScreenshot();
       });
     });
   });