Update test utils selectors

Author: jperals

src/__tests__/snapshot-tests/__snapshots__/documenter.test.ts.snap

@@ -83202,6 +83202,38 @@ Component's wrapper class",
             "type": "reference",
           },
         },
+        {
+          "name": "findHeaderActions",
+          "parameters": [],
+          "returnType": {
+            "name": "null | ElementWrapper",
+            "type": "union",
+          },
+        },
+        {
+          "name": "findHeaderBefore",
+          "parameters": [],
+          "returnType": {
+            "name": "null | ElementWrapper",
+            "type": "union",
+          },
+        },
+        {
+          "name": "findHeaderDescription",
+          "parameters": [],
+          "returnType": {
+            "name": "null | ElementWrapper",
+            "type": "union",
+          },
+        },
+        {
+          "name": "findHeaderInfo",
+          "parameters": [],
+          "returnType": {
+            "name": "null | ElementWrapper",
+            "type": "union",
+          },
+        },
         {
           "name": "findOpenButton",
           "parameters": [],
@@ -138455,6 +138487,42 @@ Component's wrapper class",
             "typeArguments": [],
           },
         },
+        {
+          "name": "findHeaderActions",
+          "parameters": [],
+          "returnType": {
+            "name": "ElementWrapper",
+            "type": "reference",
+            "typeArguments": [],
+          },
+        },
+        {
+          "name": "findHeaderBefore",
+          "parameters": [],
+          "returnType": {
+            "name": "ElementWrapper",
+            "type": "reference",
+            "typeArguments": [],
+          },
+        },
+        {
+          "name": "findHeaderDescription",
+          "parameters": [],
+          "returnType": {
+            "name": "ElementWrapper",
+            "type": "reference",
+            "typeArguments": [],
+          },
+        },
+        {
+          "name": "findHeaderInfo",
+          "parameters": [],
+          "returnType": {
+            "name": "ElementWrapper",
+            "type": "reference",
+            "typeArguments": [],
+          },
+        },
         {
           "name": "findOpenButton",
           "parameters": [],

src/__tests__/snapshot-tests/__snapshots__/test-utils-selectors.test.tsx.snap

@@ -564,6 +564,10 @@ exports[`test-utils selectors 1`] = `
   ],
   "split-panel": [
     "awsui_close-button_rjqu5",
+    "awsui_header-actions_rjqu5",
+    "awsui_header-before_rjqu5",
+    "awsui_header-description_rjqu5",
+    "awsui_header-info_rjqu5",
     "awsui_header-text_rjqu5",
     "awsui_open-button_rjqu5",
     "awsui_open-position-bottom_rjqu5",