Update markdown

Author: utpilla

opentelemetry-sdk/src/metrics/test.md

@@ -4,21 +4,23 @@ Tests are located in [mod.rs](mod.rs)
 
 // TODO: Fill this correctly.
 
+:heavy_check_mark: 
+
 ## Sync Instruments
 
 | Test Type                  | Counter (Delta) | Counter (Cumulative) | UpDownCounter (Delta) | UpDownCounter (Cumulative) | Gauge (Delta) | Gauge (Cumulative) | Histogram (Delta) | Histogram (Cumulative) |
 |----------------------------|-----------------|----------------------|----------------------|----------------------------|---------------|--------------------|-------------------|------------------------|
-| Regular aggregation test   | [:heavy_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
-| No-attribute test          | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
-| Overflow test              | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
-| Attr Order Sorted First    | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
-| Attr Order Unsorted First  | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
+| Regular aggregation test   | ✅        | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
+| No-attribute test          | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
+| Overflow test              | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
+| Attr Order Sorted First    | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
+| Attr Order Unsorted First  | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
 
 ## Observable Instruments
 
 | Test Type                  | ObservableCounter (Delta) | ObservableCounter (Cumulative) | ObservableGauge (Delta) | ObservableGauge (Cumulative) | ObservableUpDownCounter (Delta) | ObservableUpDownCounter (Cumulative) |
 |----------------------------|---------------------------|-------------------------------|-------------------------|------------------------------|---------------------------------|--------------------------------------|
-| Regular aggregation test    | [:x:]                  | [:x:]                      | [:x:]                | [:x:]                     | [:x:]                        | [:x:]                             |
-| No-attribute test           | [:x:]                  | [:x:]                      | [:x:]                | [:x:]                     | [:x:]                        | [:x:]                             |
-| Attr Order Sorted First    | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
-| Attr Order Unsorted First  | [:white_check_mark:]         | [:white_check_mark:]              | [:x:]              | [:x:]                    | [:x:]      | [:x:]            | [:x:]           | [:x:]                |
+| Regular aggregation test    | ❌                  | ❌                      | ❌                | ❌                     | ❌                        | ❌                             |
+| No-attribute test           | ❌                  | ❌                      | ❌                | ❌                     | ❌                        | ❌                             |
+| Attr Order Sorted First    | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |
+| Attr Order Unsorted First  | ✅         | ✅              | ❌              | ❌                    | ❌      | ❌            | ❌           | ❌                |