Exclude datasets test for wasm/wasi

src/cluster/kmeans.rs

@@ -469,6 +469,7 @@ mod tests {
         all(target_arch = "wasm32", not(target_os = "wasi")),
         wasm_bindgen_test::wasm_bindgen_test
     )]
+    #[cfg(feature = "datasets")]
     #[test]
     fn fit_predict_iris() {
         let x = DenseMatrix::from_2d_array(&[

src/ensemble/random_forest_classifier.rs

@@ -634,6 +634,7 @@ mod tests {
         wasm_bindgen_test::wasm_bindgen_test
     )]
     #[test]
+    #[cfg(feature = "datasets")]
     fn fit_predict_iris() {
         let x = DenseMatrix::from_2d_array(&[
             &[5.1, 3.5, 1.4, 0.2],

src/tree/decision_tree_classifier.rs

@@ -919,6 +919,7 @@ mod tests {
         wasm_bindgen_test::wasm_bindgen_test
     )]
     #[test]
+    #[cfg(feature = "datasets")]
     fn fit_predict_iris() {
         let x: DenseMatrix<f64> = DenseMatrix::from_2d_array(&[
             &[5.1, 3.5, 1.4, 0.2],