Add wasmtime as default runtime for integration tests

tests/misc_tests.rs

@@ -0,0 +1,54 @@
+mod runtime;
+
+use std::sync::{Once, ONCE_INIT};
+
+static INIT: Once = ONCE_INIT;
+
+fn setup() {
+    INIT.call_once(|| {
+        std::env::set_var("RUST_LOG", "wasi_common=trace");
+        pretty_env_logger::init_custom_env("RUST_LOG");
+    });
+}
+
+#[test]
+fn sched_yield() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/sched_yield.wasm")
+}
+
+#[test]
+fn truncation_rights() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/truncation_rights.wasm")
+}
+
+#[test]
+fn unlink_dir() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/unlink_dir.wasm")
+}
+
+#[test]
+fn remove_nonempty_dir() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/remove_nonempty_dir.wasm")
+}
+
+#[test]
+fn interesting_paths() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/interesting_paths.wasm")
+}
+
+#[test]
+fn nofollow_errors() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/nofollow_errors.wasm")
+}
+
+#[test]
+fn symlink_loop() {
+    setup();
+    runtime::run_wasm("tests/misc-testsuite/symlink_loop.wasm")
+}