doc: updated RCA documentation (#17544)

openmetadata-docs/content/v1.5.x-SNAPSHOT/how-to-guides/data-quality-observability/incident-manager/root-cause-analysis.md

@@ -11,7 +11,7 @@ Some tests will produce a failed sample upon failure. This allows the platform u
 
 The sample will be collected when the option `computePassedFailedRowCount` is set.
 
-## Supported Test Definitions
+### Supported Test Definitions
 
 - [Column Values to Be Not Null](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-not-null)
 - [Column Values to Match Regex](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-match-regex)
@@ -20,8 +20,9 @@ The sample will be collected when the option `computePassedFailedRowCount` is se
 - [Column Values to Be Not In Set](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-not-in-set)
 - [Column Values to Be Between](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-to-be-between)
 - [Column Values Lengths to Be Between](/how-to-guides/data-quality-observability/quality/tests-yaml#column-values-lengths-to-be-between)
+- [Custom SQL](/how-to-guides/data-quality-observability/quality/tests-yaml#table-custom-sql-test)
 
-## Deleting Sample Rows
+### Deleting Sample Rows
 If you wish to delete sample rows, you can do so by clicking on the three dots above the table of sample rows. This will open a window with the `Delete` option. Note that failed sample rows will automatically be deleted upon test success.
 
 {% image 
@@ -29,7 +30,7 @@ src="/images/v1.4/features/ingestion/workflows/data-quality/sample-row-failure-d
 alt="set compute row count"
 /%}
 
-## Example
+### Example
 
 {% image 
 src="/images/v1.4/features/ingestion/workflows/data-quality/set_compute_row_count.png"
@@ -38,3 +39,12 @@ alt="set compute row count"
 
 ![test definition](/images/v1.4/features/ingestion/workflows/data-quality/failed_rows_sample_1.png)
 ![failed rows sampls](/images/v1.4/features/ingestion/workflows/data-quality/failed_rows_sample_2.png)
+
+## Inspection Query
+
+ Supported test will generate an inspection query upon failure. This query can be run on the source data to understand
+ the nature of the failure and take corrective actions.
+
+ This query can be added to the table and shared with other users.
+
+ ![inspection query](/images/v1.5/features/ingestion/workflows/data-quality/inspection-query.png)