Try fixing macos

.github/workflows/tests.yml

@@ -60,17 +60,10 @@ jobs:
     - name: Build
       run: |
         cmake --build build
-    - name: Fetch spec tests and warm-up
-      # this is ok to fail here
-      continue-on-error: true
-      run: |
-        cd test
-        ./run-spec-test.py ./core/address.json
-        sleep 15
     - name: Run spec tests
       run: |
         cd test
-        ./run-spec-test.py
+        ./run-spec-test.py --sleep=30
     - name: Run WASI tests
       run: |
         cd test

test/run-spec-test.py

@@ -41,6 +41,7 @@ parser = argparse.ArgumentParser()
 parser.add_argument("--exec", metavar="<interpreter>", default="../build/wasm3")
 parser.add_argument("--engine", metavar="<engine>")
 parser.add_argument("--timeout", type=int,             default=30)
+parser.add_argument("--sleep",   type=float,           default=0)
 parser.add_argument("--line", metavar="<source line>", type=int)
 parser.add_argument("--all", action="store_true")
 parser.add_argument("--show-logs", action="store_true")
@@ -315,11 +316,13 @@ wasm3 = Wasm3(args.exec, args.engine)
 
 print("Version: " + wasm3.version())
 
-# MacOS does not allow wasm3 to load files right after start
-# fetching the tests while wasm3 is already running seems to help
 if not (os.path.isdir("./core") and os.path.isdir("./proposals")):
     fetchSpecTests()
 
+if args.sleep:
+    print("Sleeping for {args.sleep} seconds"
+    time.sleep(args.sleep)
+
 blacklist = Blacklist([
   "float_exprs.wast:* f32.nonarithmetic_nan_bitpattern*",
   "imports.wast:*",