diff --git a/crates/common/src/result.rs b/crates/common/src/result.rs
index 69e34f8f..5279f9ed 100644
--- a/crates/common/src/result.rs
+++ b/crates/common/src/result.rs
@@ -189,3 +189,47 @@ impl From<&str> for WasmErrorInner {
         s.to_string().into()
     }
 }
+
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    #[cfg(not(feature = "error_as_host"))]
+    fn wasm_error_macro_guest() {
+        assert_eq!(
+            wasm_error!("foo").error,
+            WasmErrorInner::Guest("foo".into()),
+        );
+
+        assert_eq!(
+            wasm_error!("{} {}", "foo", "bar").error,
+            WasmErrorInner::Guest("foo bar".into())
+        );
+
+        assert_eq!(
+            wasm_error!(WasmErrorInner::Host("foo".into())).error,
+            WasmErrorInner::Host("foo".into()),
+        );
+    }
+
+    #[test]
+    #[cfg(feature = "error_as_host")]
+    fn wasm_error_macro_host() {
+        assert_eq!(
+            wasm_error!("foo").error,
+            WasmErrorInner::Host("foo".into()),
+        );
+
+        assert_eq!(
+            wasm_error!("{} {}", "foo", "bar").error,
+            WasmErrorInner::Host("foo bar".into())
+        );
+
+        assert_eq!(
+            wasm_error!(WasmErrorInner::Guest("foo".into())).error,
+            WasmErrorInner::Guest("foo".into()),
+        );
+    }
+}
diff --git a/crates/host/src/guest.rs b/crates/host/src/guest.rs
index 5279a236..57228728 100644
--- a/crates/host/src/guest.rs
+++ b/crates/host/src/guest.rs
@@ -261,26 +261,3 @@ where
 
     return_value.map_err(|e| WasmHostError(e).into())
 }
-
-#[cfg(test)]
-pub mod tests {
-    use super::*;
-
-    #[test]
-    fn wasm_error_macro_host() {
-        assert_eq!(
-            wasm_error!("foo").0.error,
-            WasmErrorInner::Host("foo".into()),
-        );
-
-        assert_eq!(
-            wasm_error!("{} {}", "foo", "bar").0.error,
-            WasmErrorInner::Host("foo bar".into())
-        );
-
-        assert_eq!(
-            wasm_error!(WasmErrorInner::Host("foo".into())).0.error,
-            WasmErrorInner::Host("foo".into()),
-        );
-    }
-}
diff --git a/scripts/test-wasmer_sys_dev.sh b/scripts/test-wasmer_sys_dev.sh
index d0a2969a..fbe1c755 100755
--- a/scripts/test-wasmer_sys_dev.sh
+++ b/scripts/test-wasmer_sys_dev.sh
@@ -13,6 +13,9 @@ cargo clippy -- --deny warnings
 cargo build --release -p test_wasm_core --target wasm32-unknown-unknown
 
 # tests the root workspace
+cargo test --no-default-features --features wasmer_sys_dev ${1-} -- --nocapture
+
+# tests the root workspace, error_as_host
 cargo test --no-default-features --features error_as_host,wasmer_sys_dev ${1-} -- --nocapture
 
 # build wasm and run the "full" tests for wasmer_sys_dev
diff --git a/scripts/test-wasmer_sys_prod.sh b/scripts/test-wasmer_sys_prod.sh
index 9c68fad5..54ae3d69 100755
--- a/scripts/test-wasmer_sys_prod.sh
+++ b/scripts/test-wasmer_sys_prod.sh
@@ -5,6 +5,9 @@ export RUST_BACKTRACE=full
 export WASMER_BACKTRACE=1
 
 # tests the root workspace
+cargo test --no-default-features --features wasmer_sys_prod ${1-} -- --nocapture
+
+# tests the root workspace, error_as_host
 cargo test --no-default-features --features error_as_host,wasmer_sys_prod ${1-} -- --nocapture
 
 # build wasm and run the "full" tests for wasmer_sys_prod
diff --git a/scripts/test-wasmer_wamr.sh b/scripts/test-wasmer_wamr.sh
index d52c8660..8c713bb0 100755
--- a/scripts/test-wasmer_wamr.sh
+++ b/scripts/test-wasmer_wamr.sh
@@ -6,6 +6,9 @@ export WASMER_BACKTRACE=1
 
 
 # tests the root workspace
+cargo test --no-default-features --features wasmer_wamr ${1-} -- --nocapture
+
+# tests the root workspace, error_as_host
 cargo test --no-default-features --features error_as_host,wasmer_wamr ${1-} -- --nocapture
 
 # build wasm and run the "full" tests for wasmer_wamr