diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bfde341..547bb05 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,10 +21,5 @@ jobs:
         run: cargo fmt --all -- --check
       - name: cargo clippy
         run: cargo clippy --all-targets --all-features -- -D warnings
-      - name: Install wasmtime
-        uses: bytecodealliance/actions/wasmtime/setup@v1
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          version: "v21.0.1"
       - name: cargo test
         run: cargo test
diff --git a/waki/tests/client.rs b/waki/tests/client.rs
index 92ba1be..0543023 100644
--- a/waki/tests/client.rs
+++ b/waki/tests/client.rs
@@ -1,52 +1,38 @@
-use std::process::Command;
+mod common;
 
-fn wasmtime() -> Command {
-    let mut wasmtime = Command::new("wasmtime");
-    wasmtime.arg("-S").arg("http");
-    wasmtime
-}
+use crate::common::run_wasi;
 
-#[test]
-fn client_get_chunk() {
-    let status = wasmtime()
-        .arg(test_programs_artifacts::CLIENT_GET_CHUNK_COMPONENT)
-        .status()
+#[tokio::test(flavor = "multi_thread")]
+async fn client_get_chunk() {
+    run_wasi(test_programs_artifacts::CLIENT_GET_CHUNK_COMPONENT)
+        .await
         .unwrap();
-    assert!(status.success());
 }
 
-#[test]
-fn client_get_with_query() {
-    let status = wasmtime()
-        .arg(test_programs_artifacts::CLIENT_GET_WITH_QUERY_COMPONENT)
-        .status()
+#[tokio::test(flavor = "multi_thread")]
+async fn client_get_with_query() {
+    run_wasi(test_programs_artifacts::CLIENT_GET_WITH_QUERY_COMPONENT)
+        .await
         .unwrap();
-    assert!(status.success());
 }
 
-#[test]
-fn client_post_with_form_data() {
-    let status = wasmtime()
-        .arg(test_programs_artifacts::CLIENT_POST_WITH_FORM_DATA_COMPONENT)
-        .status()
+#[tokio::test(flavor = "multi_thread")]
+async fn client_post_with_form_data() {
+    run_wasi(test_programs_artifacts::CLIENT_POST_WITH_FORM_DATA_COMPONENT)
+        .await
         .unwrap();
-    assert!(status.success());
 }
 
-#[test]
-fn client_post_with_json_data() {
-    let status = wasmtime()
-        .arg(test_programs_artifacts::CLIENT_POST_WITH_JSON_DATA_COMPONENT)
-        .status()
+#[tokio::test(flavor = "multi_thread")]
+async fn client_post_with_json_data() {
+    run_wasi(test_programs_artifacts::CLIENT_POST_WITH_JSON_DATA_COMPONENT)
+        .await
         .unwrap();
-    assert!(status.success());
 }
 
-#[test]
-fn client_post_with_multipart_form_data() {
-    let status = wasmtime()
-        .arg(test_programs_artifacts::CLIENT_POST_WITH_MULTIPART_FORM_DATA_COMPONENT)
-        .status()
+#[tokio::test(flavor = "multi_thread")]
+async fn client_post_with_multipart_form_data() {
+    run_wasi(test_programs_artifacts::CLIENT_POST_WITH_MULTIPART_FORM_DATA_COMPONENT)
+        .await
         .unwrap();
-    assert!(status.success());
 }
diff --git a/waki/tests/common/mod.rs b/waki/tests/common/mod.rs
index c3de5fa..566d002 100644
--- a/waki/tests/common/mod.rs
+++ b/waki/tests/common/mod.rs
@@ -5,9 +5,10 @@ use wasmtime::{
     component::{Component, Linker, ResourceTable},
     Config, Engine, Store,
 };
-use wasmtime_wasi::{WasiCtx, WasiCtxBuilder, WasiView};
+use wasmtime_wasi::{bindings::Command, WasiCtx, WasiCtxBuilder, WasiView};
 use wasmtime_wasi_http::{
-    bindings::http::types::ErrorCode, body::HyperIncomingBody, WasiHttpCtx, WasiHttpView,
+    bindings::http::types::ErrorCode, body::HyperIncomingBody, proxy::Proxy, WasiHttpCtx,
+    WasiHttpView,
 };
 
 struct Ctx {
@@ -35,11 +36,7 @@ impl WasiHttpView for Ctx {
     }
 }
 
-// ref: https://github.com/bytecodealliance/wasmtime/blob/af59c4d568d487b7efbb49d7d31a861e7c3933a6/crates/wasi-http/tests/all/main.rs#L129
-pub async fn run_wasi_http(
-    component_filename: &str,
-    req: hyper::Request<HyperIncomingBody>,
-) -> Result<Result<hyper::Response<Collected<Bytes>>, ErrorCode>> {
+fn new_component(component_filename: &str) -> Result<(Store<Ctx>, Component, Linker<Ctx>)> {
     let mut config = Config::new();
     config.wasm_backtrace_details(wasmtime::WasmBacktraceDetails::Enable);
     config.wasm_component_model(true);
@@ -54,12 +51,21 @@ pub async fn run_wasi_http(
         http: WasiHttpCtx::new(),
     };
 
-    let mut store = Store::new(&engine, ctx);
+    let store = Store::new(&engine, ctx);
     let mut linker = Linker::new(&engine);
-    wasmtime_wasi_http::proxy::add_to_linker(&mut linker)?;
-    let (proxy, _) =
-        wasmtime_wasi_http::proxy::Proxy::instantiate_async(&mut store, &component, &linker)
-            .await?;
+    wasmtime_wasi::add_to_linker_async(&mut linker)?;
+    wasmtime_wasi_http::proxy::add_only_http_to_linker(&mut linker)?;
+    Ok((store, component, linker))
+}
+
+// ref: https://github.com/bytecodealliance/wasmtime/blob/af59c4d568d487b7efbb49d7d31a861e7c3933a6/crates/wasi-http/tests/all/main.rs#L129
+pub async fn run_wasi_http(
+    component_filename: &str,
+    req: hyper::Request<HyperIncomingBody>,
+) -> Result<Result<hyper::Response<Collected<Bytes>>, ErrorCode>> {
+    let (mut store, component, linker) = new_component(component_filename)?;
+
+    let (proxy, _) = Proxy::instantiate_async(&mut store, &component, &linker).await?;
 
     let req = store.data_mut().new_incoming_request(req)?;
 
@@ -95,3 +101,14 @@ pub async fn run_wasi_http(
 
     Ok(resp.expect("wasm never called set-response-outparam"))
 }
+
+pub async fn run_wasi(component_filename: &str) -> Result<()> {
+    let (mut store, component, linker) = new_component(component_filename)?;
+
+    let (command, _) = Command::instantiate_async(&mut store, &component, &linker).await?;
+    command
+        .wasi_cli_run()
+        .call_run(&mut store)
+        .await?
+        .map_err(|()| anyhow::anyhow!("run returned a failure"))
+}
diff --git a/waki/tests/server.rs b/waki/tests/server.rs
index 9dcb40c..d8cc7e7 100644
--- a/waki/tests/server.rs
+++ b/waki/tests/server.rs
@@ -5,7 +5,7 @@ use crate::common::run_wasi_http;
 use anyhow::Result;
 use wasmtime_wasi_http::body::HyperIncomingBody;
 
-#[tokio::test]
+#[tokio::test(flavor = "multi_thread")]
 async fn server_hello_query() -> Result<()> {
     let req = hyper::Request::builder()
         .uri("http://localhost?name=ia")