diff --git a/jest.config.cjs b/jest.config.cjs
index f0111b9..b321edd 100644
--- a/jest.config.cjs
+++ b/jest.config.cjs
@@ -6,6 +6,8 @@ const jestConfig = {
   preset: 'ts-jest/presets/default-esm',
   testEnvironment: 'node',
   testMatch: ['<rootDir>/test/**/*-test.ts'],
+  globalSetup: '<rootDir>/test/jest.setup.cjs',
+  globalTeardown: '<rootDir>/test/jest.teardown.cjs',
   transform: {
     '^.+\\.tsx?$': ['ts-jest', { useESM: true }],
   },
diff --git a/test/jest.setup.cjs b/test/jest.setup.cjs
new file mode 100644
index 0000000..76e999e
--- /dev/null
+++ b/test/jest.setup.cjs
@@ -0,0 +1,6 @@
+const os = require('node:os');
+const sinon = require('sinon');
+
+module.exports = function () {
+  globalThis.eolStub = sinon.stub(os, 'EOL').value('\n'); // Stub os.EOL to always be '\n' for testing/snapshot purposes.
+};
diff --git a/test/jest.teardown.cjs b/test/jest.teardown.cjs
new file mode 100644
index 0000000..69d0f9b
--- /dev/null
+++ b/test/jest.teardown.cjs
@@ -0,0 +1,3 @@
+module.exports = function () {
+  globalThis.eolStub.restore();
+};