tests: add validation snapshots

quartodoc/tests/__snapshots__/test_validation.ambr

@@ -0,0 +1,36 @@
+# serializer version: 1
+# name: test_misplaced_kindpage
+  '''
+  Code:
+
+      quartodoc:
+        package: zzz
+        sections:
+          - kind: page
+
+
+  Error:
+      Configuration error for YAML:
+       - Missing field `path` for element 0 in the list for `sections`, which you need when setting `kind: page`.
+
+  '''
+# ---
+# name: test_missing_name_contents_2
+  '''
+  Code:
+
+      quartodoc:
+        package: zzz
+        sections:
+          - title: Section 1
+          - title: Section 2
+            contents:
+              - children: linked
+              - name: MdRenderer
+
+  Error:
+      Configuration error for YAML:
+       - Missing field `name` for element 0 in the list for `contents` located in element 1 in the list for `sections`
+
+  '''
+# ---