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diff --git a/dom/tests/mochitest/geolocation/test_enableHighAccuracy.html b/dom/tests/mochitest/geolocation/test_enableHighAccuracy.html
new file mode 100644
index 0000000000..f139c15d01
--- /dev/null
+++ b/dom/tests/mochitest/geolocation/test_enableHighAccuracy.html
@@ -0,0 +1,73 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1765835
+-->
+<head>
+  <title>Tests for watchPosition and getCurrentPosition with setHighAccuracy</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1765835">Mozilla Bug 1765835</a>
+<script class="testbody" type="text/javascript">
+function mockChromeScript() {
+  function enableHighAccuracy(subject, topic, data) {
+    sendAsyncMessage("setHighAccuracy", data == "true");
+  };
+  Services.obs.addObserver(enableHighAccuracy, "testing-geolocation-high-accuracy");
+
+  addMessageListener("cleanup", () => {
+    Services.obs.removeObserver(enableHighAccuracy, "testing-geolocation-high-accuracy");
+    sendAsyncMessage("done");
+  });
+
+  sendAsyncMessage("ready");
+}
+
+add_task(async function test_watchPosition() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["geo.prompt.testing", true], ["geo.prompt.testing.allow", true]],
+  });
+
+  let chromeScript = SpecialPowers.loadChromeScript(mockChromeScript);
+  await chromeScript.promiseOneMessage("ready");
+
+  let id = navigator.geolocation.watchPosition(() => {}, () => {}, { enableHighAccuracy: true });
+  let highAccuracy = await chromeScript.promiseOneMessage("setHighAccuracy");
+  ok(highAccuracy, "enableHighAccuracy option should be enabled");
+  navigator.geolocation.clearWatch(id);
+
+  id = navigator.geolocation.watchPosition(() => {}, () => {}, { enableHighAccuracy: false });
+  highAccuracy = await chromeScript.promiseOneMessage("setHighAccuracy");
+  ok(!highAccuracy, "enableHighAccuracy option should be disabled");
+  navigator.geolocation.clearWatch(id);
+
+  chromeScript.sendAsyncMessage("cleanup");
+  await chromeScript.promiseOneMessage("done");
+  chromeScript.destroy();
+});
+
+add_task(async function test_getCurrentPosition() {
+  await SpecialPowers.pushPrefEnv({
+    set: [["geo.prompt.testing", true], ["geo.prompt.testing.allow", true]],
+  });
+
+  let chromeScript = SpecialPowers.loadChromeScript(mockChromeScript);
+  await chromeScript.promiseOneMessage("ready");
+
+  navigator.geolocation.getCurrentPosition(() => {}, () => {}, { enableHighAccuracy: true });
+  let highAccuracy = await chromeScript.promiseOneMessage("setHighAccuracy");
+  ok(highAccuracy, "enableHighAccuracy option should be enabled");
+
+  navigator.geolocation.getCurrentPosition(() => {}, () => {}, { enableHighAccuracy: false });
+  highAccuracy = await chromeScript.promiseOneMessage("setHighAccuracy");
+  ok(!highAccuracy, "enableHighAccuracy option should be disabled");
+
+  chromeScript.sendAsyncMessage("cleanup");
+  await chromeScript.promiseOneMessage("done");
+  chromeScript.destroy();
+});
+</script>
+</body>
+</html>