diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
index 6706715..729109b 100644
--- a/.github/workflows/rust-tests.yml
+++ b/.github/workflows/rust-tests.yml
@@ -28,11 +28,6 @@ jobs:
           toolchain: stable
           profile: minimal
           override: true
-
-      - name: Setup tmate session
-        uses: mxschmitt/action-tmate@v3
-        with:
-          limit-access-to-actor: false
       
       - uses: Swatinem/rust-cache@v2
 
diff --git a/crates/deno_task_shell/Cargo.toml b/crates/deno_task_shell/Cargo.toml
index 8a3f909..655825e 100644
--- a/crates/deno_task_shell/Cargo.toml
+++ b/crates/deno_task_shell/Cargo.toml
@@ -28,7 +28,7 @@ pest = { git = "https://github.com/pest-parser/pest.git", branch = "master", fea
 pest_derive = "2.7.12"
 dirs = "5.0.1"
 pest_ascii_tree = { git = "https://github.com/prsabahrami/pest_ascii_tree.git", branch = "master" }
-miette = "7.2.0"
+miette = { version = "7.2.0", features = ["fancy"] }
 lazy_static = "1.4.0"
 
 [dev-dependencies]
diff --git a/crates/tests/src/test_builder.rs b/crates/tests/src/test_builder.rs
index bf62348..7b21062 100644
--- a/crates/tests/src/test_builder.rs
+++ b/crates/tests/src/test_builder.rs
@@ -117,9 +117,6 @@ impl TestBuilder {
     fn get_temp_dir(&mut self) -> &mut TempDir {
         if self.temp_dir.is_none() {
             self.temp_dir = Some(TempDir::new());
-            let temp_dir_string = self.temp_dir_path().display().to_string();
-            self.env_vars
-                .insert("TEMP_DIR".to_string(), temp_dir_string);
         }
         self.temp_dir.as_mut().unwrap()
     }
@@ -238,6 +235,7 @@ impl TestBuilder {
         let (stderr, stderr_handle) = get_output_writer_and_handle();
 
         let local_set = tokio::task::LocalSet::new();
+        self.env_var("TEMP_DIR", &cwd.display().to_string());
         let state = ShellState::new(
             self.env_vars.clone(),
             &cwd,
@@ -266,8 +264,9 @@ impl TestBuilder {
                         .expected_stderr_contains
                         .replace("$TEMP_DIR", &temp_dir)
                 ),
-                "\n\nFailed for: {}\nExpected stderr to contain: {}",
+                "\n\nFailed for: {}\nExpected stderr to contain: {}, {}",
                 self.command,
+                stderr_output,
                 self.expected_stderr_contains
             );
         }