diff --git a/lib/index.test.js b/lib/index.test.js
index 0514606..eda2edb 100644
--- a/lib/index.test.js
+++ b/lib/index.test.js
@@ -33,7 +33,7 @@ describe('lib/index', () => {
   test('should upgrade upto patch versions when versions prefixed with ~', async () => {
     const dir = 'dir1';
 
-    mockJoin.mockImplementation(() => './test_helpers/test1.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test1.js');
     mockExecAsync
       .mockImplementationOnce(() =>
         Promise.resolve({ stdout: JSON.stringify(['46.45.45', '46.46.0']) })
@@ -44,7 +44,6 @@ describe('lib/index', () => {
     await expect(verifyDeps({ dir, logger })).rejects.toThrow(
       'Please update your installed modules'
     );
-    console.warn(logger.info.mock.calls);
     expect(logger.info).toHaveBeenCalledTimes(4);
     expect(logger.info).toHaveBeenNthCalledWith(1, 'Verifying dependencies…\n');
     expect(logger.info).toHaveBeenNthCalledWith(2, 'foo1 is outdated: 46.45.44 → 46.45.45');
@@ -55,7 +54,7 @@ describe('lib/index', () => {
   test('should upgrade upto minor versions when versions prefixed with ^', async () => {
     const dir = 'dir2';
 
-    mockJoin.mockImplementation(() => './test_helpers/test2.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test2.js');
 
     mockExecAsync
       .mockImplementationOnce(() =>
@@ -77,7 +76,7 @@ describe('lib/index', () => {
   test('should not upgrade locked versions', async () => {
     const dir = 'dir3';
 
-    mockJoin.mockImplementation(() => './test_helpers/test3.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test3.js');
 
     await expect(verifyDeps({ dir, logger })).resolves.toBeUndefined();
     expect(logger.info).toHaveBeenCalledTimes(2);
@@ -87,7 +86,7 @@ describe('lib/index', () => {
 
   test('should compare installed dependencies to latest NPM versions', async () => {
     const dir = 'dir4';
-    mockJoin.mockImplementation(() => './test_helpers/test4.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test4.js');
 
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -104,7 +103,7 @@ describe('lib/index', () => {
   test('should compare installed devDpendencies to latest NPM versions', async () => {
     const dir = 'dir5';
 
-    mockJoin.mockImplementation(() => './test_helpers/test5.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test5.js');
 
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -121,8 +120,8 @@ describe('lib/index', () => {
   test('should show dependency update required when using semver and later version in range is available', async () => {
     const dir = 'dir6';
     mockJoin
-      .mockImplementationOnce(() => './test_helpers/test6.js')
-      .mockImplementationOnce(() => './test_helpers/test6.js')
+      .mockImplementationOnce(() => '../test-helpers/test6.js')
+      .mockImplementationOnce(() => '../test-helpers/test6.js')
       .mockImplementationOnce(() => {
         throw new Error('foo');
       });
@@ -153,7 +152,7 @@ describe('lib/index', () => {
 
   test('should not show dependency update required when using semver and later version is out of range', async () => {
     const dir = 'dir7';
-    mockJoin.mockImplementation(() => './test_helpers/test7.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test7.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '2.0.0']) }))
       .mockImplementationOnce(() =>
@@ -167,7 +166,7 @@ describe('lib/index', () => {
 
   test('should show dependency update required when version is locked if non-major-version update available', async () => {
     const dir = 'dir8';
-    mockJoin.mockImplementation(() => './test_helpers/test8.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test8.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.1.0']) }))
@@ -201,7 +200,7 @@ describe('lib/index', () => {
 
   test('should not show dependency update required when version is locked if major-version update available', async () => {
     const dir = 'dir9';
-    mockJoin.mockImplementation(() => './test_helpers/test9.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test9.js');
 
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '2.0.0']) }))
@@ -220,7 +219,7 @@ describe('lib/index', () => {
 
   test('should show dependency install required if module cannot be found', async () => {
     const dir = 'dir10';
-    mockJoin.mockImplementation(() => './test_helpers/test10.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test10.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -233,7 +232,6 @@ describe('lib/index', () => {
     await expect(verifyDeps({ dir, logger })).rejects.toThrow(
       'Please update your installed modules.'
     );
-    console.warn(logger.info.mock.calls);
     expect(logger.info).toHaveBeenCalledTimes(5);
     expect(logger.info).toHaveBeenNthCalledWith(1, 'Verifying dependencies…\n');
     expect(logger.info).toHaveBeenNthCalledWith(2, `eri is not installed`);
@@ -244,7 +242,7 @@ describe('lib/index', () => {
 
   test('should show dependency install required if fetching versions does not return valid JSON output', async () => {
     const dir = 'dir11';
-    mockJoin.mockImplementation(() => './test_helpers/test11.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test11.js');
     const invalidOutput = 'boo';
     mockExecAsync.mockImplementationOnce(() => ({ stdout: invalidOutput }));
     let syntaxError;
@@ -260,7 +258,7 @@ describe('lib/index', () => {
 
   test('should show dependency install required if fetching tags does not return valid JSON output', async () => {
     const dir = 'dir12';
-    mockJoin.mockImplementation(() => './test_helpers/test12.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test12.js');
     const invalidOutput = 'boo';
     mockExecAsync
       .mockImplementationOnce(() =>
@@ -280,7 +278,7 @@ describe('lib/index', () => {
 
   test('throw error when getting latest versions fails', async () => {
     const dir = 'dir13';
-    mockJoin.mockImplementation(() => './test_helpers/test13.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test13.js');
     mockExecAsync.mockImplementation(() => {
       throw new Error('foo');
     });
@@ -291,7 +289,7 @@ describe('lib/index', () => {
 
   test('throw error when getting latest tag fails', async () => {
     const dir = 'dir14';
-    mockJoin.mockImplementation(() => './test_helpers/test14.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test14.js');
     mockExecAsync
       .mockImplementationOnce(() =>
         Promise.resolve({ stdout: JSON.stringify({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }) })
@@ -306,7 +304,7 @@ describe('lib/index', () => {
 
   test('should show dependency install required if latest module is installed but not reflected in package.json', async () => {
     const dir = 'dir15';
-    mockJoin.mockImplementation(() => './test_helpers/test15.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test15.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -329,7 +327,7 @@ describe('lib/index', () => {
 
   test('should not throw an error if no dependencies are in package.json', async () => {
     const dir = 'dir16';
-    mockJoin.mockImplementation(() => './test_helpers/test16.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test16.js');
     await verifyDeps({ dir, logger });
     expect(logger.info).toHaveBeenCalledTimes(2);
     expect(logger.info).toHaveBeenNthCalledWith(1, 'Verifying dependencies…\n');
@@ -340,7 +338,7 @@ describe('lib/index', () => {
     const consoleInfo = console.info;
     console.info = jest.fn();
     const dir = 'dir17';
-    mockJoin.mockImplementation(() => './test_helpers/test17.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test17.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -361,7 +359,7 @@ describe('lib/index', () => {
   });
 
   test('should not throw type error if options are not passed', async () => {
-    mockJoin.mockImplementation(() => './test_helpers/test18.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test18.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
       .mockImplementationOnce(() =>
@@ -375,7 +373,7 @@ describe('lib/index', () => {
 
   test('should update to version aliased as latest when aliased latest is less that most recent published version', async () => {
     const dir = 'dir19';
-    mockJoin.mockImplementation(() => './test_helpers/test19.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test19.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.2.4', '1.2.5']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.2.4', '1.2.5']) }))
@@ -403,7 +401,7 @@ describe('lib/index', () => {
 
   test('should upgrade pre-release versions to latest pre-release version available', async () => {
     const dir = 'dir20';
-    mockJoin.mockImplementation(() => './test_helpers/test20.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test20.js');
     mockExecAsync
       .mockImplementationOnce(() =>
         Promise.resolve({ stdout: JSON.stringify(['1.0.0-alpha.1', '1.0.0-alpha.2', '1.2.4']) })
@@ -426,7 +424,7 @@ describe('lib/index', () => {
 
   test('should not upgrade when no version available for major version of pre-release', async () => {
     const dir = 'dir21';
-    mockJoin.mockImplementation(() => './test_helpers/test21.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test21.js');
     mockExecAsync
       .mockImplementationOnce(() => {
         return Promise.resolve({
@@ -450,7 +448,7 @@ describe('lib/index', () => {
 
   test('should throw an error when version in package.json is invalid (likely unpublished)', async () => {
     const dir = 'dir22';
-    mockJoin.mockImplementation(() => './test_helpers/test22.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test22.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.2.1']) }))
       .mockImplementationOnce(() =>
@@ -464,7 +462,7 @@ describe('lib/index', () => {
 
   test('autoUpgrade modules', async () => {
     const dir = 'dir23';
-    mockJoin.mockImplementation(() => './test_helpers/test23.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test23.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
       .mockImplementationOnce(() => Promise.resolve({ stdout: JSON.stringify(['1.0.0', '1.0.1']) }))
@@ -492,7 +490,7 @@ describe('lib/index', () => {
 
   test('throw error when npm module name is invalid', async () => {
     const dir = 'dir24';
-    mockJoin.mockImplementation(() => './test_helpers/test24.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test24.js');
     await expect(verifyDeps({ autoUpgrade: true, dir, logger })).rejects.toThrow(
       'NPM package name: "bad name Dependency" is invalid. name can only contain URL-friendly characters'
     );
@@ -500,7 +498,7 @@ describe('lib/index', () => {
 
   test('should verify dependencies when npm module has one version available, npm view returns string instead of array', async () => {
     const dir = 'dir25';
-    mockJoin.mockImplementation(() => './test_helpers/test25.js');
+    mockJoin.mockImplementation(() => '../test-helpers/test25.js');
     mockExecAsync
       .mockImplementationOnce(() => Promise.resolve({ stdout: '"1.1.1"' }))
       .mockImplementationOnce(() =>
diff --git a/lib/test_helpers/test1.js b/test-helpers/test1.js
similarity index 100%
rename from lib/test_helpers/test1.js
rename to test-helpers/test1.js
diff --git a/lib/test_helpers/test10.js b/test-helpers/test10.js
similarity index 100%
rename from lib/test_helpers/test10.js
rename to test-helpers/test10.js
diff --git a/lib/test_helpers/test11.js b/test-helpers/test11.js
similarity index 100%
rename from lib/test_helpers/test11.js
rename to test-helpers/test11.js
diff --git a/lib/test_helpers/test12.js b/test-helpers/test12.js
similarity index 100%
rename from lib/test_helpers/test12.js
rename to test-helpers/test12.js
diff --git a/lib/test_helpers/test13.js b/test-helpers/test13.js
similarity index 100%
rename from lib/test_helpers/test13.js
rename to test-helpers/test13.js
diff --git a/lib/test_helpers/test14.js b/test-helpers/test14.js
similarity index 100%
rename from lib/test_helpers/test14.js
rename to test-helpers/test14.js
diff --git a/lib/test_helpers/test15.js b/test-helpers/test15.js
similarity index 100%
rename from lib/test_helpers/test15.js
rename to test-helpers/test15.js
diff --git a/lib/test_helpers/test16.js b/test-helpers/test16.js
similarity index 100%
rename from lib/test_helpers/test16.js
rename to test-helpers/test16.js
diff --git a/lib/test_helpers/test17.js b/test-helpers/test17.js
similarity index 100%
rename from lib/test_helpers/test17.js
rename to test-helpers/test17.js
diff --git a/lib/test_helpers/test18.js b/test-helpers/test18.js
similarity index 100%
rename from lib/test_helpers/test18.js
rename to test-helpers/test18.js
diff --git a/lib/test_helpers/test19.js b/test-helpers/test19.js
similarity index 100%
rename from lib/test_helpers/test19.js
rename to test-helpers/test19.js
diff --git a/lib/test_helpers/test2.js b/test-helpers/test2.js
similarity index 100%
rename from lib/test_helpers/test2.js
rename to test-helpers/test2.js
diff --git a/lib/test_helpers/test20.js b/test-helpers/test20.js
similarity index 100%
rename from lib/test_helpers/test20.js
rename to test-helpers/test20.js
diff --git a/lib/test_helpers/test21.js b/test-helpers/test21.js
similarity index 100%
rename from lib/test_helpers/test21.js
rename to test-helpers/test21.js
diff --git a/lib/test_helpers/test22.js b/test-helpers/test22.js
similarity index 100%
rename from lib/test_helpers/test22.js
rename to test-helpers/test22.js
diff --git a/lib/test_helpers/test23.js b/test-helpers/test23.js
similarity index 100%
rename from lib/test_helpers/test23.js
rename to test-helpers/test23.js
diff --git a/lib/test_helpers/test24.js b/test-helpers/test24.js
similarity index 100%
rename from lib/test_helpers/test24.js
rename to test-helpers/test24.js
diff --git a/lib/test_helpers/test25.js b/test-helpers/test25.js
similarity index 100%
rename from lib/test_helpers/test25.js
rename to test-helpers/test25.js
diff --git a/lib/test_helpers/test3.js b/test-helpers/test3.js
similarity index 100%
rename from lib/test_helpers/test3.js
rename to test-helpers/test3.js
diff --git a/lib/test_helpers/test4.js b/test-helpers/test4.js
similarity index 100%
rename from lib/test_helpers/test4.js
rename to test-helpers/test4.js
diff --git a/lib/test_helpers/test5.js b/test-helpers/test5.js
similarity index 100%
rename from lib/test_helpers/test5.js
rename to test-helpers/test5.js
diff --git a/lib/test_helpers/test6.js b/test-helpers/test6.js
similarity index 100%
rename from lib/test_helpers/test6.js
rename to test-helpers/test6.js
diff --git a/lib/test_helpers/test7.js b/test-helpers/test7.js
similarity index 100%
rename from lib/test_helpers/test7.js
rename to test-helpers/test7.js
diff --git a/lib/test_helpers/test8.js b/test-helpers/test8.js
similarity index 100%
rename from lib/test_helpers/test8.js
rename to test-helpers/test8.js
diff --git a/lib/test_helpers/test9.js b/test-helpers/test9.js
similarity index 100%
rename from lib/test_helpers/test9.js
rename to test-helpers/test9.js