feat: add button to export test results as json (#4419)

Co-authored-by: nivedin <nivedinp@gmail.com>

packages/hoppscotch-common/src/helpers/import-export/export/testResults.ts

@@ -0,0 +1,29 @@
+import { HoppTestResult } from "~/helpers/types/HoppTestResult"
+import { platform } from "~/platform"
+import * as E from "fp-ts/Either"
+
+export const exportTestResults = async (testResults: HoppTestResult) => {
+  const contentsJSON = JSON.stringify(testResults, null, 2)
+  const file = new Blob([contentsJSON], { type: "application/json" })
+  const url = URL.createObjectURL(file)
+
+  const fileName = url.split("/").pop()!.split("#")[0].split("?")[0]
+
+  const result = await platform.io.saveFileWithDialog({
+    data: contentsJSON,
+    contentType: "application/json",
+    suggestedFilename: `${fileName}.json`,
+    filters: [
+      {
+        name: "Hoppscotch Test Results JSON file",
+        extensions: ["json"],
+      },
+    ],
+  })
+
+  if (result.type === "unknown" || result.type === "saved") {
+    return E.right("state.download_started")
+  }
+
+  return E.left("state.download_failed")
+}