add kittest snapshot tests

Author: dmackdev

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: macos-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - uses: actions-rust-lang/setup-rust-toolchain@fb51252c7ba57d633bc668f941da052e410add48 # v1.13.0
@@ -17,7 +17,7 @@ jobs:
       - name: Test
         run: cargo test --locked
       - name: Test json_tree_test for simd_json feature
-        run: cargo test --locked --features=simd_json --no-default-features --test json_tree_test
+        run: cargo test --locked --features=simd_json --no-default-features snapshot_tests
       - name: Clippy
         run: cargo clippy
       - name: Format

.gitignore

@@ -2,3 +2,5 @@
 .vscode
 dist
 .DS_Store
+**/tests/snapshots/**/*.diff.png
+**/tests/snapshots/**/*.new.png