diff --git a/package.json b/package.json
index 9033a082e..3b5f7e0cb 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,8 @@
       "it",
       "describe",
       "beforeEach",
-      "afterEach"
+      "afterEach",
+      "jest"
     ]
   }
 }
diff --git a/src/helpers/files.js b/src/helpers/files.js
index ea53e9941..a55ac352d 100644
--- a/src/helpers/files.js
+++ b/src/helpers/files.js
@@ -79,15 +79,13 @@ function fetchGitRoot () {
   try {
     return (
       childProcess
-        .spawnSync('git', ['rev-parse', '--show-toplevel'])
-        .stdout.toString()
-        .trimRight() ||
+        .spawnSync('git', ['rev-parse', '--show-toplevel'], { encoding: 'utf-8' })
+        .stdout ||
       childProcess
-        .spawnSync('hg', ['root'])
-        .stdout.toString()
-        .trimRight() ||
+        .spawnSync('hg', ['root'], { encoding: 'utf-8' })
+        .stdout ||
       process.cwd()
-    )
+    ).trimRight()
   } catch (error) {
     throw new Error('Error fetching git root. Please try using the -R flag.')
   }
diff --git a/src/helpers/web.js b/src/helpers/web.js
index b88d5fd36..a872e7f2d 100644
--- a/src/helpers/web.js
+++ b/src/helpers/web.js
@@ -68,11 +68,10 @@ async function uploadToCodecov (uploadURL, token, query, uploadFile, version) {
   }
 }
 
-
-function camelToSnake(str) {
+function camelToSnake (str) {
   return str && str.match(/[A-Z]{2,}(?=[A-Z][a-z]+[0-9]*|\b)|[A-Z]?[a-z]+[0-9]*|[A-Z]|[0-9]+/g)
-      .map(s => s.toLowerCase())
-      .join('_')
+    .map(s => s.toLowerCase())
+    .join('_')
 }
 
 function generateQuery (queryParams) {
diff --git a/test/helpers/files.test.js b/test/helpers/files.test.js
index 7e327d65a..85d74c60e 100644
--- a/test/helpers/files.test.js
+++ b/test/helpers/files.test.js
@@ -22,7 +22,7 @@ describe('File Helpers', () => {
     const cwd = td.replace(process, 'cwd')
     const spawnSync = td.replace(childProcess, 'spawnSync')
     td.when(cwd()).thenReturn({ stdout: 'fish' })
-    td.when(spawnSync('git', ['rev-parse', '--show-toplevel'])).thenReturn({ stdout: 'gitRoot' })
+    td.when(spawnSync('git', ['rev-parse', '--show-toplevel'], { encoding:'utf-8' })).thenReturn({ stdout: 'gitRoot' })
 
     expect(fileHelpers.fetchGitRoot()).toBe('gitRoot')
   })
diff --git a/test/helpers/validate.test.js b/test/helpers/validate.test.js
index 72c41d15e..08b1190f6 100644
--- a/test/helpers/validate.test.js
+++ b/test/helpers/validate.test.js
@@ -11,7 +11,6 @@ describe('Input Validators', function () {
   })
 
   describe('Flags', function () {
-
     it('Should pass without a dash', function () {
       expect(validate.validateFlags('moo')).toBe(true)
     })
diff --git a/test/index.test.js b/test/index.test.js
index 108f7766c..f0006e5ab 100644
--- a/test/index.test.js
+++ b/test/index.test.js
@@ -105,7 +105,7 @@ describe('Uploader Core', function () {
     const result = await app.main({
       token: 'abcdefg',
       url: 'https://codecov.io',
-      parent,
+      parent
     })
     expect(result).toEqual({ status: 'success', resultURL: 'https://results.codecov.io' })
   }, 30000)
@@ -117,7 +117,7 @@ describe('Uploader Core', function () {
       name: 'customname',
       token: 'abcdefg',
       url: 'https://codecov.io',
-      dryRun: true,
+      dryRun: true
     })
     expect(log).toHaveBeenCalledWith(expect.stringMatching(/An example coverage root file/))
     expect(log).toHaveBeenCalledWith(expect.stringMatching(/An example coverage other file/))