fix(tests): ignore empty line protocol

The tests in scriptQueryBuilder.results seem to be consistently
failing to run because a setup step is attempting to write an empty
line-protocol file. This changes the system such that empty files
are skipped.

cypress/e2e/shared/scriptQueryBuilder.results.test.ts

@@ -62,7 +62,7 @@ describe('Script Builder', () => {
             [`ndbc_1table,air_temp_degc=70_degrees station_id=1`],
             'defbuck4'
           )
-          writeDataMoar.forEach(data => cy.writeData(data, 'defbuck4'))
+          writeDataMoar.forEach(data => {if (data,length > 0) cy.writeData(data, 'defbuck4')})
         })
       })
     })