diff --git a/tests/__init__.py b/tests/__init__.py
index e69de29..f282358 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -0,0 +1,9 @@
+from pathlib import Path
+
+TESTS_ROOT_DIR = Path(__file__).parent
+TESTS_DATA_DIR = TESTS_ROOT_DIR / '_data'
+
+TESTS_DATA_FILES = {
+    'invalid_syntax': TESTS_DATA_DIR / 'invalid_syntax.json',
+    'valid_syntax': TESTS_DATA_DIR / 'valid_syntax.json',
+}
\ No newline at end of file
diff --git a/tests/invalid_syntax.json b/tests/_data/invalid_syntax.json
similarity index 100%
rename from tests/invalid_syntax.json
rename to tests/_data/invalid_syntax.json
diff --git a/tests/valid_syntax.json b/tests/_data/valid_syntax.json
similarity index 100%
rename from tests/valid_syntax.json
rename to tests/_data/valid_syntax.json
diff --git a/tests/test_syntax.py b/tests/test_syntax.py
index 6886530..df59181 100644
--- a/tests/test_syntax.py
+++ b/tests/test_syntax.py
@@ -4,14 +4,15 @@
 
 import rfc3987_syntax2 as sut
 
+from . import TESTS_DATA_FILES
 
 def valid_syntax_data():
-    with open(Path("tests", "valid_syntax.json"), "r", encoding="utf-8") as f:
+    with open(TESTS_DATA_FILES['valid_syntax'], "r", encoding="utf-8") as f:
         return json.load(f)
 
 
 def invalid_syntax_data():
-    with open(Path("tests", "invalid_syntax.json"), "r", encoding="utf-8") as f:
+    with open(TESTS_DATA_FILES['invalid_syntax'], "r", encoding="utf-8") as f:
         return json.load(f)