Make wasm-bindgen-test a dev dependency

Cargo.toml

@@ -140,7 +140,6 @@ winreg = "0.7"
 js-sys = "0.3.45"
 wasm-bindgen = { version = "0.2.68", features = ["serde-serialize"] }
 wasm-bindgen-futures = "0.4.18"
-wasm-bindgen-test = "0.3"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies.web-sys]
 version = "0.3.25"
@@ -157,6 +156,9 @@ features = [
     "ServiceWorkerGlobalScope",
 ]
 
+[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
+wasm-bindgen-test = "0.3"
+
 [[example]]
 name = "blocking"
 path = "examples/blocking.rs"

src/wasm/client.rs

@@ -299,12 +299,14 @@ impl Config {
     }
 }
 
-use wasm_bindgen_test::*;
+#[cfg(test)]
+mod tests {
+    use wasm_bindgen_test::*;
 
-wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
+    wasm_bindgen_test::wasm_bindgen_test_configure!(run_in_browser);
 
-#[wasm_bindgen_test]
-async fn default_headers() {
+    #[wasm_bindgen_test]
+    async fn default_headers() {
         use crate::header::{HeaderMap, HeaderValue, CONTENT_TYPE};
 
         let mut headers = HeaderMap::new();
@@ -325,10 +327,10 @@ async fn default_headers() {
         assert!(test_headers.get(CONTENT_TYPE).is_some(), "content-type");
         assert!(test_headers.get("x-custom").is_some(), "custom header");
         assert!(test_headers.get("accept").is_none(), "no accept header");
-}
+    }
 
-#[wasm_bindgen_test]
-async fn default_headers_clone() {
+    #[wasm_bindgen_test]
+    async fn default_headers_clone() {
         use crate::header::{HeaderMap, HeaderValue, CONTENT_TYPE};
 
         let mut headers = HeaderMap::new();
@@ -366,4 +368,5 @@ async fn default_headers_clone() {
             "application/json",
             "request headers don't change client defaults"
         );
+    }
 }