diff --git a/src/cdk/constructs/config/autocomplete.test.ts b/src/cdk/constructs/config/autocomplete.test.ts
index 8ca0bd5..fe26264 100644
--- a/src/cdk/constructs/config/autocomplete.test.ts
+++ b/src/cdk/constructs/config/autocomplete.test.ts
@@ -7,3 +7,12 @@ describe('autocomplete', () => {
     expect(res.length > 0).toBeTruthy()
   })
 })
+
+describe('autocomplete with empty input', () => {
+  it('buildSearchRegions should return a promise', async () => {
+    const fn = buildSearchRegions()
+    const res = await fn({}, '')
+    expect(Array.isArray(res)).toBeTruthy()
+    expect(res.length > 0).toBeTruthy()
+  })
+})
diff --git a/src/cdk/constructs/config/validators.test.ts b/src/cdk/constructs/config/validators.test.ts
index c9da0b1..1457272 100644
--- a/src/cdk/constructs/config/validators.test.ts
+++ b/src/cdk/constructs/config/validators.test.ts
@@ -1,4 +1,5 @@
 import * as validators from './validators'
+import { execFile } from 'child_process'
 
 describe('Validators', () => {
   it('isValidAwsAccountId', async () => {
@@ -21,6 +22,13 @@ describe('Validators', () => {
     expect(validators.isValidAwsAccountIdList('1234567890123,000000000000')).toBeFalsy()
   })
 
+  it('isValidAwsCliProfile', async () => {
+    expect(await validators.isValidAwsCliProfile('')).toBeFalsy()
+    expect(await validators.isValidAwsCliProfile('value')).toBeFalsy()
+    await execFile('aws', ['configure', 'set', 'region', 'eu-west-1', '--profile', 'user1'])
+    expect(await validators.isValidAwsCliProfile('user1')).toBeTruthy()
+  })
+
   it('isValidAwsHostedZoneId', async () => {
     expect(validators.isValidAwsHostedZoneId('ZABCDEF1234567')).toBeTruthy()
 
@@ -51,6 +59,12 @@ describe('Validators', () => {
     expect(validators.isValidDomain('a.c')).toBeFalsy()
   })
 
+  it('isValidGitBranchName', async () => {
+    expect(await validators.isValidGitBranchName('')).toBeFalsy()
+    expect(await validators.isValidGitBranchName(' ')).toBeFalsy()
+    expect(await validators.isValidGitBranchName('value')).toBeTruthy()
+  })
+
   it('isValidEnvironmentNameList', async () => {
     expect(validators.isValidEnvironmentNameList('ab')).toBeTruthy()
     expect(validators.isValidEnvironmentNameList('a1')).toBeTruthy()
diff --git a/src/cdk/custom-resources/auto-delete-bucket/lambda/index.test.ts b/src/cdk/custom-resources/auto-delete-bucket/lambda/index.test.ts
index 41c75e5..b46c55a 100644
--- a/src/cdk/custom-resources/auto-delete-bucket/lambda/index.test.ts
+++ b/src/cdk/custom-resources/auto-delete-bucket/lambda/index.test.ts
@@ -25,6 +25,26 @@ describe('auto-delete bucket lambda', () => {
     mockSendResponse.mockClear()
   })
 
+  it('fails if ResourceProperties is not provided no matter the request type', async () => {
+    await handler({
+      ...eventBase,
+      RequestType: 'Create',
+      ResourceProperties: undefined
+    })
+
+    expect(mockDeleteBucket).not.toHaveBeenCalled()
+    expect(mockSendResponse).toHaveBeenCalledTimes(1)
+    expect(mockSendResponse).toHaveBeenCalledWith('ResponseURL', {
+      status: 'FAILED',
+      reason: 'BucketName is required',
+      physicalResourceId: 'LogicalResourceId',
+      stackId: 'StackId',
+      requestId: 'RequestId',
+      logicalResourceId: 'LogicalResourceId',
+      data: undefined
+    })
+  })
+
   it('fails if bucket name is not provided no matter the request type', async () => {
     await handler({
       ...eventBase,
diff --git a/src/cdk/custom-resources/auto-delete-bucket/utils/delete-bucket.test.ts b/src/cdk/custom-resources/auto-delete-bucket/utils/delete-bucket.test.ts
index 8d86337..7526710 100644
--- a/src/cdk/custom-resources/auto-delete-bucket/utils/delete-bucket.test.ts
+++ b/src/cdk/custom-resources/auto-delete-bucket/utils/delete-bucket.test.ts
@@ -101,4 +101,39 @@ describe('delete bucket', () => {
       }
     })
   })
+
+  it('deletes all objects from the bucket without Versions and DeleteMarkers value without Key', async () => {
+    mockListObjectVersionsPromise.mockResolvedValue({
+      IsTruncated: false,
+      DeleteMarkers: [{ VersionId: 'v3', RandomKey: 'test3' }]
+    })
+
+    await deleteBucket('testBucket')
+
+    expect(mockListObjectVersions).toBeCalledTimes(1)
+    expect(mockListObjectVersions).toBeCalledWith({ Bucket: 'testBucket' })
+
+    expect(mockDeleteObjects).toBeCalledTimes(1)
+    expect(mockDeleteObjects).toBeCalledWith({
+      Bucket: 'testBucket',
+      Delete: {
+        Objects: [
+          { Key: '', VersionId: 'v3' }
+        ]
+      }
+    })
+  })
+
+  it('deletes all objects from the bucket without Versions and DeleteMarkers', async () => {
+    mockListObjectVersionsPromise.mockResolvedValue({
+      IsTruncated: false
+    })
+
+    await deleteBucket('testBucket')
+
+    expect(mockListObjectVersions).toBeCalledTimes(1)
+    expect(mockListObjectVersions).toBeCalledWith({ Bucket: 'testBucket' })
+
+    expect(mockDeleteObjects).toBeCalledTimes(0)
+  })
 })
diff --git a/src/config/job-config.test.ts b/src/config/job-config.test.ts
index 76f6a95..f526bbf 100644
--- a/src/config/job-config.test.ts
+++ b/src/config/job-config.test.ts
@@ -300,6 +300,8 @@ describe('MiraJobConfig', () => {
       mockConfigHandler(healthyConfig)
       expect(() => new MiraJobConfig('deploy')).toThrowError('Cannot deploy environment undefined')
 
+      expect(() => new MiraJobConfig('')).toThrowError('Cannot resolve deployment type')
+
       let brokenConfig
 
       brokenConfig = _.cloneDeep(healthyConfig)
diff --git a/src/config/job-config.ts b/src/config/job-config.ts
index 21b95e9..4a3b9b0 100644
--- a/src/config/job-config.ts
+++ b/src/config/job-config.ts
@@ -135,9 +135,6 @@ export default class MiraConfig {
           const envData: EnvData = loadEnvironment(envKey)
           return massageEnvData(envData, false)
         })
-        if (!config.get('cicd.buildspec_file')) {
-          throw new Error('Missing config.cicd.buildspec_file')
-        }
         const details: CICDDetails = {
           stackName: deploymentStackName,
           role: loadAWSProfile(config.get('cicd.profile')),
diff --git a/src/transpiler.test.ts b/src/transpiler.test.ts
index 85dd20e..a11b633 100644
--- a/src/transpiler.test.ts
+++ b/src/transpiler.test.ts
@@ -20,3 +20,28 @@ test('should change extension to file', () => {
   const res = t.changeExtension('foo')
   expect(res).toBe('sampleFile.foo')
 })
+
+test('should return null when passing the wrong path', async () => {
+  const t = new Transpiler('sampleFile.ts')
+  const root = __dirname
+  const res = await t.findTSConfigFile(root)
+  expect(res).toBe(null)
+})
+
+test('should return null when passing the wrong path', async () => {
+  const t = new Transpiler('sampleFile.ts')
+  const root = __dirname
+  const res = await t.findTSConfigFile(root)
+  expect(res).toBe(null)
+})
+
+test('should throw access error when passing empty path', async () => {
+  console.error = jest.fn()
+  const t = new Transpiler('sampleFile.ts')
+  try {
+    await t.findTSConfigFile(' ')
+  } catch (err) {
+    expect(err.errno).toBe(-13)
+    expect(err.code).toBe('EACCES')
+  }
+})