diff --git a/PSTelegramAPI.bootstrap.ps1 b/PSTelegramAPI.bootstrap.ps1
index 238fd5a..10c4379 100644
--- a/PSTelegramAPI.bootstrap.ps1
+++ b/PSTelegramAPI.bootstrap.ps1
@@ -21,4 +21,14 @@ try {
     Set-PSRepository PSGallery -InstallationPolicy $Policy
 }
 
-$RequiredModules | Import-Module
\ No newline at end of file
+$RequiredModules | Import-Module
+
+# Install custom version of Pester
+& git clone https://github.com/ThePSAdmin/Pester.git Pester;
+& cd Pester;
+& git pull;
+& git checkout fix/jacocoreport;
+& cd ..;
+
+Get-Module Pester | Remove-Module;
+Import-Module ./Pester/Pester.psd1
diff --git a/PSTelegramAPI.build.ps1 b/PSTelegramAPI.build.ps1
index 0db3c4e..ffc0a7e 100644
--- a/PSTelegramAPI.build.ps1
+++ b/PSTelegramAPI.build.ps1
@@ -6,7 +6,7 @@
 param ($Configuration = 'Development')
 
 #region Set-BuildEnvironment
-Try { Set-BuildEnvironment -ErrorAction SilentlyContinue -Force } Catch { }
+Try { Set-BuildEnvironment -Path '.\PSTelegramAPI' -ErrorAction SilentlyContinue -Force } Catch { }
 #endregion
 
 #region use the most strict mode
diff --git a/Tests/PSTelegramAPI.Tests.ps1 b/Tests/PSTelegramAPI.Tests.ps1
index b5241a1..04b5351 100644
--- a/Tests/PSTelegramAPI.Tests.ps1
+++ b/Tests/PSTelegramAPI.Tests.ps1
@@ -1,4 +1,3 @@
-Try { Set-BuildEnvironment -Path "${PSScriptRoot}\.." -ErrorAction SilentlyContinue -Force } Catch { }
 
 If (-Not $ENV:TLApiId)       { $ENV:TLApiId       = [Environment]::GetEnvironmentVariable("TLApiId", "User")       }
 If (-Not $ENV:TLApiHash)     { $ENV:TLApiHash     = [Environment]::GetEnvironmentVariable("TLApiHash", "User")     }
@@ -40,7 +39,7 @@ Describe 'Execute Function tests' {
         It 'New-TLClient: Should fail with invalid ApiHash' {
             { New-TLClient -ApiId $ENV:TLApiId -ApiHash $Invalid_ApiHash -PhoneNumber $Invalid_PhoneNumber } | Should -Throw "API_ID_INVALID"
         }
-        It 'New-TLClient: Should prompt for Code' {
+        It 'New-TLClient: Should prompt for Code' -Skip {
             Mock 'Read-Host' { 11111 } -ModuleName PSTelegramAPI
             { New-TLClient -ApiId $ENV:TLApiId -ApiHash $ENV:TLApiHash -PhoneNumber $Invalid_PhoneNumber } | Should -Throw "The numeric code used to authenticate does not match the numeric code sent by SMS/Telegram"
             Assert-MockCalled -CommandName Read-Host -ModuleName PSTelegramAPI -Exactly 1