diff --git a/parser/src/test.rs b/parser/src/test.rs
index 1014d83e85..ad123ca63d 100644
--- a/parser/src/test.rs
+++ b/parser/src/test.rs
@@ -14,7 +14,10 @@
 // You should have received a copy of the GNU General Public License
 // along with the Leo library. If not, see <https://www.gnu.org/licenses/>.
 
-use std::{fs, path::Path};
+use std::{
+    fs,
+    path::{Path, PathBuf},
+};
 
 use crate::SyntaxError;
 
@@ -42,7 +45,9 @@ pub fn parser_pass_tests() {
     let mut pass = 0;
     let mut fail = vec![];
     let mut tests = vec![];
-    find_tests("../tests/pass/parse/", &mut tests);
+    let mut test_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    test_dir.push("../tests/pass/parse/");
+    find_tests(&test_dir, &mut tests);
     for (path, content) in tests.into_iter() {
         match crate::parse(&path, &content) {
             Ok(_) => {
@@ -73,7 +78,9 @@ pub fn parser_fail_tests() {
     let mut pass = 0;
     let mut fail = vec![];
     let mut tests = vec![];
-    find_tests("../tests/fail/parse/", &mut tests);
+    let mut test_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    test_dir.push("../tests/fail/parse/");
+    find_tests(&test_dir, &mut tests);
     for (path, content) in tests.into_iter() {
         match crate::parse(&path, &content) {
             Ok(_) => {
diff --git a/parser/tests/serialization/expected_leo_ast.json b/parser/tests/serialization/expected_leo_ast.json
index 9535cdd016..cedf6db8a0 100644
--- a/parser/tests/serialization/expected_leo_ast.json
+++ b/parser/tests/serialization/expected_leo_ast.json
@@ -4,9 +4,9 @@
   "imports": [],
   "circuits": {},
   "functions": {
-    "{\"name\":\"main\",\"span\":\"{\\\"line_start\\\":1,\\\"line_stop\\\":1,\\\"col_start\\\":10,\\\"col_stop\\\":14,\\\"path\\\":\\\"./tests/serialization/main.leo\\\"}\"}": {
+    "{\"name\":\"main\",\"span\":\"{\\\"line_start\\\":1,\\\"line_stop\\\":1,\\\"col_start\\\":10,\\\"col_stop\\\":14,\\\"path\\\":\\\"test\\\"}\"}": {
       "annotations": [],
-      "identifier": "{\"name\":\"main\",\"span\":\"{\\\"line_start\\\":1,\\\"line_stop\\\":1,\\\"col_start\\\":10,\\\"col_stop\\\":14,\\\"path\\\":\\\"./tests/serialization/main.leo\\\"}\"}",
+      "identifier": "{\"name\":\"main\",\"span\":\"{\\\"line_start\\\":1,\\\"line_stop\\\":1,\\\"col_start\\\":10,\\\"col_stop\\\":14,\\\"path\\\":\\\"test\\\"}\"}",
       "input": [],
       "output": null,
       "block": {
@@ -24,7 +24,7 @@
                           "line_stop": 2,
                           "col_start": 12,
                           "col_stop": 13,
-                          "path": "./tests/serialization/main.leo"
+                          "path": "test"
                         }
                       ]
                     }
@@ -38,7 +38,7 @@
                           "line_stop": 2,
                           "col_start": 16,
                           "col_stop": 17,
-                          "path": "./tests/serialization/main.leo"
+                          "path": "test"
                         }
                       ]
                     }
@@ -49,7 +49,7 @@
                     "line_stop": 2,
                     "col_start": 12,
                     "col_stop": 17,
-                    "path": "./tests/serialization/main.leo"
+                    "path": "test"
                   }
                 }
               },
@@ -58,7 +58,7 @@
                 "line_stop": 2,
                 "col_start": 5,
                 "col_stop": 17,
-                "path": "./tests/serialization/main.leo"
+                "path": "test"
               }
             }
           }
@@ -68,7 +68,7 @@
           "line_stop": 3,
           "col_start": 17,
           "col_stop": 2,
-          "path": "./tests/serialization/main.leo"
+          "path": "test"
         }
       },
       "span": {
@@ -76,7 +76,7 @@
         "line_stop": 3,
         "col_start": 1,
         "col_stop": 2,
-        "path": "./tests/serialization/main.leo"
+        "path": "test"
       }
     }
   }
diff --git a/parser/tests/serialization/json.rs b/parser/tests/serialization/json.rs
index cf1c01f66b..9e62f65072 100644
--- a/parser/tests/serialization/json.rs
+++ b/parser/tests/serialization/json.rs
@@ -25,7 +25,7 @@ fn to_ast(program_filepath: &Path) -> Result<Ast, SyntaxError> {
     let program_string = std::fs::read_to_string(program_filepath).expect("failed to open test");
 
     // Parses the Leo file and constructs a leo ast.
-    leo_parser::parse_ast(&program_filepath.to_str().unwrap(), &program_string)
+    leo_parser::parse_ast("test", &program_string)
 }
 
 #[test]
@@ -33,7 +33,8 @@ fn to_ast(program_filepath: &Path) -> Result<Ast, SyntaxError> {
 fn test_serialize() {
     // Construct an ast from the given test file.
     let ast = {
-        let program_filepath = PathBuf::from("./tests/serialization/main.leo");
+        let mut program_filepath = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        program_filepath.push("tests/serialization/main.leo");
 
         to_ast(&program_filepath).unwrap()
     };
@@ -52,7 +53,8 @@ fn test_serialize() {
 fn test_deserialize() {
     // Load the expected ast.
     let expected_ast = {
-        let program_filepath = PathBuf::from("./tests/serialization/main.leo");
+        let mut program_filepath = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        program_filepath.push("tests/serialization/main.leo");
 
         to_ast(&program_filepath).unwrap()
     };
@@ -68,7 +70,8 @@ fn test_deserialize() {
 fn test_serialize_deserialize_serialize() {
     // Construct an ast from the given test file.
     let ast = {
-        let program_filepath = PathBuf::from("./tests/serialization/main.leo");
+        let mut program_filepath = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        program_filepath.push("tests/serialization/main.leo");
 
         to_ast(&program_filepath).unwrap()
     };
@@ -88,7 +91,8 @@ fn test_serialize_deserialize_serialize() {
 #[test]
 fn test_generic_parser_error() {
     let error_result = {
-        let program_filepath = PathBuf::from("./tests/serialization/parser_error.leo");
+        let mut program_filepath = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+        program_filepath.push("tests/serialization/parser_error.leo");
 
         to_ast(&program_filepath)
     }