diff --git a/lib/context.js b/lib/context.js
index a815dc2..b434770 100644
--- a/lib/context.js
+++ b/lib/context.js
@@ -10,7 +10,7 @@ exports.getParentBranchName = async function getParentBranchName () {
 }
 
 exports.getTestingBranchName = function getTestingBranchName (parentBranchName) {
-  return `wiby-${parentBranchName}`
+  return parentBranchName.startsWith('wiby-') ? parentBranchName : `wiby-${parentBranchName}`
 }
 
 exports.getDependencyLink = async function getDependencyLink (owner, repo, commitish) {
diff --git a/test/cli/test.js b/test/cli/test.js
index 96c2fbb..13b4e8d 100644
--- a/test/cli/test.js
+++ b/test/cli/test.js
@@ -10,11 +10,9 @@ const wibyCommand = path.join(__dirname, '..', '..', 'bin', 'wiby')
 const fixturesPath = path.resolve(path.join(__dirname, '..', 'fixtures'))
 
 tap.test('test command', async (tap) => {
-  tap.beforeEach(async () => {
+  tap.test('test command should fail when config and dependent provided', async (tap) => {
     gitFixture.init()
-  })
 
-  tap.test('test command should fail when config and dependent provided', async (tap) => {
     try {
       childProcess.execSync(`${wibyCommand} test --config=.wiby.json --dependent="https://github.com/wiby-test/fakeRepo"`).toString()
       tap.fail()
@@ -24,6 +22,8 @@ tap.test('test command', async (tap) => {
   })
 
   tap.test('test command should call test module with dependent URI', async (tap) => {
+    gitFixture.init()
+
     const result = childProcess.execSync(`${wibyCommand} test --dependent="https://github.com/wiby-test/fakeRepo"`, {
       env: {
         ...process.env,
@@ -35,6 +35,23 @@ tap.test('test command', async (tap) => {
   })
 
   tap.test('test command should call test module with all deps from .wiby.json', async (tap) => {
+    gitFixture.init()
+
+    const result = childProcess.execSync(`${wibyCommand} test`, {
+      env: {
+        ...process.env,
+        NODE_OPTIONS: `-r ${fixturesPath}/http/test-command-positive.js`
+      }
+    }).toString()
+
+    tap.match(result, 'Changes pushed to https://github.com/wiby-test/pass/blob/wiby-running-unit-tests/package.json')
+    tap.match(result, 'Changes pushed to https://github.com/wiby-test/fail/blob/wiby-running-unit-tests/package.json')
+    tap.match(result, 'Changes pushed to https://github.com/wiby-test/partial/blob/wiby-running-unit-tests/package.json')
+  })
+
+  tap.test('test command should not add `wiby-` prefix when branch already has it', async (tap) => {
+    gitFixture.init('wiby-running-unit-tests')
+
     const result = childProcess.execSync(`${wibyCommand} test`, {
       env: {
         ...process.env,
diff --git a/test/fixtures/git.js b/test/fixtures/git.js
index cbea4fb..aa68acc 100644
--- a/test/fixtures/git.js
+++ b/test/fixtures/git.js
@@ -5,15 +5,13 @@ const fs = require('fs')
 const path = require('path')
 const tmp = require('tmp')
 
-exports.TEST_BRANCH_NAME = 'running-unit-tests'
-
-exports.init = function () {
+exports.init = function (initialBranch = 'running-unit-tests') {
   const gitRepoPath = path.join(__dirname, '..', '..')
 
   const { name: tmpDir } = tmp.dirSync()
   process.chdir(tmpDir)
 
-  childProcess.execSync('git init --initial-branch=running-unit-tests')
+  childProcess.execSync(`git init --initial-branch=${initialBranch}`)
   childProcess.execSync('git config user.email "wiby@example.com"')
   childProcess.execSync('git config user.name "Wiby Bot"')