bluetooth: Separate readValue tests

third_party/WebKit/LayoutTests/bluetooth/readValue/read-updates-value.html

Index: third_party/WebKit/LayoutTests/bluetooth/readValue/read-updates-value.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/writeValue/write-updates-value.html b/third_party/WebKit/LayoutTests/bluetooth/readValue/read-updates-value.html
similarity index 69%
copy from third_party/WebKit/LayoutTests/bluetooth/writeValue/write-updates-value.html
copy to third_party/WebKit/LayoutTests/bluetooth/readValue/read-updates-value.html
index 8746df7e2425bcd35a80bbcacf1964db9e99cc81..ee7d212a39d270dd2a762291f0c456aabfcc5cec 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/writeValue/write-updates-value.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/readValue/read-updates-value.html
@@ -14,11 +14,11 @@ promise_test(() => {
     .then(service => service.getCharacteristic('gap.device_name'))
     .then(characteristic => {
       assert_equals(characteristic.value, null);
-      let textEncoder = new TextEncoder();
-      let newValue = textEncoder.encode('foo');
-      return characteristic.writeValue(newValue).then(() => {
-        assert_array_equals(characteristic.value.buffer, newValue.buffer);
-      });
+      return characteristic.readValue().then(() => {
+        let decoder = new TextDecoder('utf-8');
+        let value_str = decoder.decode(characteristic.value);
+        assert_equals(value_str, 'Heart Rate Device');
+      })
     });
-}, 'A regular write request to a writable characteristic should update value.');
+}, 'Succesful read should update characteristic.value');
 </script>