diff --git a/src/tests.rs b/src/tests.rs
index c49ea8a..99fa30d 100644
--- a/src/tests.rs
+++ b/src/tests.rs
@@ -4,6 +4,10 @@ mod tests {
     use std::path::Path;
     use std::process::Command;
 
+    // Global test input values
+    const INPUT_A: &str = "test content A";
+    const INPUT_B: &str = "test content B";
+
     use tempfile::tempdir;
 
     // Helper function to run a command in sh -c
@@ -36,9 +40,6 @@ mod tests {
 
     // Helper function to create test items with specific content and tags
     fn create_test_items(dir: &Path) {
-        // Create the test items
-        let input_a = "test content A";
-        let input_b = "test content B";
 
         // Set the data directory for this test
         let env = format!("KEEP_DIR={} cargo run -- --verbose", dir.display());
@@ -108,7 +109,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_a), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_a);
+            assert!(output_str.contains(INPUT_A), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_A);
 
             let cmd = format!("{} -g 1", env);
             let output = run_sh(cmd.as_str());
@@ -119,7 +120,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_a), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_a);
+            assert!(output_str.contains(INPUT_A), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_A);
 
             let cmd = format!("{} 1", env);
             let output = run_sh(cmd.as_str());
@@ -130,7 +131,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_a), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_a);
+            assert!(output_str.contains(INPUT_A), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_A);
 
             let cmd = format!("{} --get", env);
             let output = run_sh(cmd.as_str());
@@ -141,7 +142,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_b), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_b);
+            assert!(output_str.contains(INPUT_B), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_B);
 
             let cmd = format!("{} --get tag_a", env);
             let output = run_sh(cmd.as_str());
@@ -152,7 +153,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_a), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_a);
+            assert!(output_str.contains(INPUT_A), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_A);
 
             let cmd = format!("{} --get tag_b", env);
             let output = run_sh(cmd.as_str());
@@ -163,7 +164,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_b), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_b);
+            assert!(output_str.contains(INPUT_B), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_B);
 
             let cmd = format!("{} --get tag", env);
             let output = run_sh(cmd.as_str());
@@ -174,7 +175,7 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_b), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_b);
+            assert!(output_str.contains(INPUT_B), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_B);
         });
     }
 
@@ -282,9 +283,9 @@ mod tests {
                 output.status
             );
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_a), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_a);
+            assert!(output_str.contains(INPUT_A), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_A);
             let output_str = String::from_utf8_lossy(&output.stdout).to_string();
-            assert!(output_str.contains(input_b), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, input_b);
+            assert!(output_str.contains(INPUT_B), "Command output does not contain expected string. Command: {}  Output: {}  Expected: \"{}\"", cmd, output_str, INPUT_B);
 
             let cmd = format!("{} --diff tag_a tag_b", env);
             let output = run_sh(cmd.as_str());