mv suite{_bench} to test-html-{ut,ref} crates

- allow compiling/running html tests without compiling main crate tests
  (useful when e.g. making type changes to events but html unaffected)
- avoid need for future flags in main crate

.github/workflows/ci.yml

@@ -34,8 +34,8 @@ jobs:
             RUSTDOCFLAGS: -D warnings
         run: |
           make check
-  suite:
-    name: Build and run external tests
+  test_html:
+    name: Build and run HTML tests
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout repo"
@@ -44,14 +44,14 @@ jobs:
         run: |
           rustup update 1.56
           rustup default 1.56
-      - name: "Run unit tests"
-        run: make suite
+      - name: "Run HTML unit tests"
+        run: make test_html_ut
       - name: "Setup node"
         uses: actions/setup-node@v3
         with:
           node-version: 18
-      - name: "Compare benchmark files"
-        run: make suite_bench
+      - name: "Compare HTML with reference implementation"
+        run: make test_html_ref
   lint:
     name: Lint
     runs-on: ubuntu-latest