diff --git a/lib/wasi-tests/tests/wasitests/envvar.rs b/lib/wasi-tests/tests/wasitests/envvar.rs
index 36952ba34..f32c6c36e 100644
--- a/lib/wasi-tests/tests/wasitests/envvar.rs
+++ b/lib/wasi-tests/tests/wasitests/envvar.rs
@@ -4,7 +4,7 @@ fn test_envvar() {
         "../../wasitests/envvar.wasm",
         "envvar",
         vec![],
-        vec!["DOG=1".to_string(),"CAT=2".to_string(),],
+        vec!["DOG=1".to_string(), "CAT=2".to_string(),],
         "../../wasitests/envvar.out"
     );
 }
diff --git a/lib/wasi-tests/tests/wasitests/fseek.rs b/lib/wasi-tests/tests/wasitests/fseek.rs
index 8b1a34feb..e48dd5814 100644
--- a/lib/wasi-tests/tests/wasitests/fseek.rs
+++ b/lib/wasi-tests/tests/wasitests/fseek.rs
@@ -3,7 +3,10 @@ fn test_fseek() {
     assert_wasi_output!(
         "../../wasitests/fseek.wasm",
         "fseek",
-        vec![(".".to_string(), ::std::path::PathBuf::from("wasitests/test_fs/hamlet")),],
+        vec![(
+            ".".to_string(),
+            ::std::path::PathBuf::from("wasitests/test_fs/hamlet")
+        ),],
         vec![],
         "../../wasitests/fseek.out"
     );
diff --git a/lib/wasi-tests/tests/wasitests/mapdir.rs b/lib/wasi-tests/tests/wasitests/mapdir.rs
index 057c3076e..efb99c7a4 100644
--- a/lib/wasi-tests/tests/wasitests/mapdir.rs
+++ b/lib/wasi-tests/tests/wasitests/mapdir.rs
@@ -3,7 +3,10 @@ fn test_mapdir() {
     assert_wasi_output!(
         "../../wasitests/mapdir.wasm",
         "mapdir",
-        vec![(".".to_string(), ::std::path::PathBuf::from("wasitests/test_fs/hamlet")),],
+        vec![(
+            ".".to_string(),
+            ::std::path::PathBuf::from("wasitests/test_fs/hamlet")
+        ),],
         vec![],
         "../../wasitests/mapdir.out"
     );
diff --git a/rustfmt.toml b/rustfmt.toml
index 4a3e0232a..d590c8b69 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,5 @@
 ignore = [
     "src/spectests",
-    "src/emtests",
+    "src/emscripten-tests",
+    "src/wasi-tests",
 ]