diff --git a/src/tests.rs b/src/tests.rs
index b39d59d..28fbc0a 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -41,7 +41,7 @@ mod tests {
         let input_b = "test content B";
 
         // Set the data directory for this test
-        let env = format!("KEEP_DIR={} cargo run --", dir.display());
+        let env = format!("KEEP_DIR={} cargo run -- --verbose", dir.display());
 
         // Create first item with tag_a and tag
         let cmd = format!("echo {} | {} tag tag_a tag", input_a, env);
@@ -73,7 +73,7 @@ mod tests {
             // Create test items with the common environment setup
             create_test_items(data_dir);
             // Set the data directory for this test
-            let env = format!("KEEP_DIR={} cargo run --", data_dir.display());
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
 
             // Test content and tags
             let input = "test content";
@@ -84,7 +84,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -97,13 +97,13 @@ mod tests {
             // Create test items with the common environment setup
             create_test_items(data_dir);
 
-            let env = format!("KEEP_DIR={} cargo run --", data_dir.display());
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
 
             let cmd = format!("{} --get 1", env);
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -114,7 +114,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -125,7 +125,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -136,7 +136,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -147,7 +147,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -157,7 +157,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -168,7 +168,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -184,13 +184,13 @@ mod tests {
             // Create test items with the common environment setup
             create_test_items(data_dir);
 
-            let env = format!("KEEP_DIR={} cargo run --", data_dir.display());
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
 
             let cmd = format!("{} --list", env);
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -199,7 +199,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -208,7 +208,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -222,13 +222,13 @@ mod tests {
             // Create test items with the common environment setup
             create_test_items(data_dir);
 
-            let env = format!("KEEP_DIR={} cargo run --", data_dir.display());
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
 
             let cmd = format!("{} --delete tag", env);
             let output = run_sh(cmd.as_str());
             assert!(
                 !output.status.success(),
-                "Command succeeded when it should have failed: {}  RC={}",
+                "Command succeeded when it should have failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -237,7 +237,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -246,7 +246,7 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -255,11 +255,11 @@ mod tests {
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
-            //assert!(!output.status.success(), "Command succeded when it should have failed: {}  RC={}", cmd, output.status);
+            //assert!(!output.status.success(), "Command succeded when it should have failed: {}  {}", cmd, output.status);
         });
     }
 
@@ -270,13 +270,13 @@ mod tests {
             // Create test items with the common environment setup
             create_test_items(data_dir);
 
-            let env = format!("KEEP_DIR={} cargo run --", data_dir.display());
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
 
             let cmd = format!("{} --diff 1 2", env);
             let output = run_sh(cmd.as_str());
             assert!(
                 output.status.success(),
-                "Command failed: {}  RC={}",
+                "Command failed: {}  {}",
                 cmd,
                 output.status
             );
@@ -286,33 +286,30 @@ mod tests {
             let cmd = format!("{} --diff tag_a tag_b", env);
             let output = run_sh(cmd.as_str());
             assert!(
-                output.status.success(),
-                "Command failed: {}  RC={}",
+                !output.status.success(),
+                "Command succeeded when it should have failed: {}  {}",
                 cmd,
                 output.status
             );
-            assert!(String::from_utf8_lossy(&output.stdout).contains("test content A"));
-            assert!(String::from_utf8_lossy(&output.stdout).contains("test content B"));
 
             let cmd = format!("{} --diff tag_a 2", env);
             let output = run_sh(cmd.as_str());
             assert!(
-                output.status.success(),
-                "Command failed: {}  RC={}",
+                !output.status.success(),
+                "Command succeeded when it should have failed: {}  {}",
                 cmd,
                 output.status
             );
-            assert!(String::from_utf8_lossy(&output.stdout).contains("test content A"));
-            assert!(String::from_utf8_lossy(&output.stdout).contains("test content B"));
 
             let cmd = format!("{} --diff 9999 2", env);
             let output = run_sh(cmd.as_str());
             assert!(
-                output.status.success(),
-                "Command failed: {}  RC={}",
+                !output.status.success(),
+                "Command succeeded when it should have failed: {}  {}",
                 cmd,
                 output.status
             );
+
             // Output should be empty for non-existent item
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
             assert!(output_str.is_empty(), "Command output is not empty. Command: {}  Output: {}", cmd, output_str);