diff --git a/test/powershell/Get-Date.Tests.ps1 b/test/powershell/Get-Date.Tests.ps1
index 7b643de09a..69f113fb77 100644
--- a/test/powershell/Get-Date.Tests.ps1
+++ b/test/powershell/Get-Date.Tests.ps1
@@ -45,8 +45,7 @@ Describe "Get-Date DRT Unit Tests"  -Tags DRT {
     }
 
     It "the LastWriteTime alias works with pipeline input" {
-        $folder = "GetDateTest"
-        #$tempPath = $TestDrive 
+        $folder = "GetDateTest" 
         $pathString = Join-Path -Path $TestDrive -ChildPath $folder
         New-Item -Path $TestDrive -Name $folder -ItemType directory -Force
         for($i = 0; $i -lt 10; $i++)
diff --git a/test/powershell/Out-File.Tests.ps1 b/test/powershell/Out-File.Tests.ps1
index e2ca09c496..c3dafc9147 100644
--- a/test/powershell/Out-File.Tests.ps1
+++ b/test/powershell/Out-File.Tests.ps1
@@ -1,3 +1,22 @@
+Describe "Out-File DRT Unit Tests" -Tags DRT{
+    It "Should be able to write the contens into a file with -pspath" {
+        $tempFile = "ExposeBug928965"
+        { 1 | Out-File -PSPath $tempFile } | Should Not Throw
+        $fileContents = Get-Content $tempFile
+        $fileContents | Should be 1
+        Remove-Item $tempFile -Force
+    }
+
+    It "Should be able to write the contens into a file with -pspath" {
+        $tempFile = "outfileAppendTest.txt"
+        { 'This is first line.' | out-file $tempFile } | Should Not Throw
+        { 'This is second line.' | out-file -append $tempFile } | Should Not Throw
+        $tempFile |Should Contain "first"
+        $tempFile |Should Contain "second"
+        Remove-Item $tempFile -Force
+    }
+}
+
 Describe "Out-File" {
     $expectedContent = "some test text"
     $inObject = New-Object psobject -Property @{text=$expectedContent}
diff --git a/test/powershell/Out-String.Tests.ps1 b/test/powershell/Out-String.Tests.ps1
index 5f32cc69b3..841a4ffe68 100644
--- a/test/powershell/Out-String.Tests.ps1
+++ b/test/powershell/Out-String.Tests.ps1
@@ -1,3 +1,15 @@
+Describe "Out-String DRT Unit Tests" -Tags DRT{
+
+    It "check display of properties with names containing wildcard characters" {
+        $results = new-object psobject | add-member -passthru noteproperty 'name with square brackets: [0]' 'myvalue' | out-string
+        $results.Length | Should BeGreaterThan 1
+        $results.GetType() | Should Be string
+        $results.Contains("myvalue") | Should Be $true
+        $results.Contains("name with square brackets: [0]") | Should Be $true
+    }
+
+}
+
 Describe "Out-String" {
     $nl = [Environment]::NewLine
 
diff --git a/test/powershell/Set-PSBreakpoint.Tests.ps1 b/test/powershell/Set-PSBreakpoint.Tests.ps1
index 319d6f010d..235218cf87 100644
--- a/test/powershell/Set-PSBreakpoint.Tests.ps1
+++ b/test/powershell/Set-PSBreakpoint.Tests.ps1
@@ -1,3 +1,216 @@
+Describe "Set-PSBreakpoint DRT Unit Tests" -Tags DRT{
+    #Set up 
+    $scriptFileName = Join-Path $TestDrive -ChildPath breakpointTestScript.ps1
+    $scriptFileNameBug = Join-Path -Path $TestDrive -ChildPath SetPSBreakpointTests.ExposeBug154112.ps1
+    
+    $contents = @"
+function Hello
+{
+    `$greeting = 'Hello, world!'
+    write-host `$greeting
+}
+
+function Goodbye
+{
+    `$message = 'Good bye, cruel world!'
+    write-host `$message
+}
+
+Hello
+Goodbye
+
+# The following 2 statements produce null tokens (needed to verify 105473) 
+# 
+`$table = @{}
+
+return 
+"@
+
+    $contentsBug = @" 
+set-psbreakpoint -variable foo 
+set-psbreakpoint -command foo 
+"@ 
+    
+    $contents > $scriptFileName
+    $contentsBug > $scriptFileNameBug
+
+
+    It "Should be able to set psbreakpoints for -Line" {
+        $brk = Set-PSBreakpoint -Line 13 -Script $scriptFileName
+        $brk.Line | Should Be 13
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "Should be able to set psbreakpoints for -Line and -column" {
+        $brk = set-psbreakpoint -line 13 -column 1 -script $scriptFileName
+        $brk.Line | Should Be 13
+        $brk.Column | Should Be 1
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "Should be able to set psbreakpoints for -Line and -action" {
+        $brk = set-psbreakpoint -line 13 -action {{ break; }} -script $scriptFileName
+        $brk.Line | Should Be 13
+        $brk.Action | Should Match "break"
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "Should be able to set psbreakpoints for -Line, -column and -action" {
+        $brk = set-psbreakpoint -line 13 -column 1 -action {{ break; }} -script $scriptFileName
+        $brk.Line | Should Be 13
+        $brk.Column | Should Be 1
+        $brk.Action | Should Match "break"
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "-script and -line can take multiple items" {
+        $brk = sbp -line 11,12,13 -column 1 -script $scriptFileName,$scriptFileName 
+        $brk.Line | Should Be 11,12,13
+        $brk.Column | Should Be 1
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+
+    It "-script and -line are positional" {
+        $brk = sbp $scriptFileName 13 
+        $brk.Line | Should Be 13
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "-script, -line and -column are positional" {
+        $brk = sbp $scriptFileName 13 1
+        $brk.Line | Should Be 13
+        $brk.Column | Should Be 1
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    # Marking as Pending tracking in Issue #829 
+    It "Should be throw Exception when missing mandatory parameter -line" -Pending {
+        $ErrorActionPreference = "Stop"
+        try {
+            powershell.exe -noninteractive -command 'sbp -column 1' -script $scriptFileName
+            Throw "Execution OK"
+        }
+        catch {
+            $_.FullyQualifiedErrorId | Should Be "MissingMandatoryParameter,Microsoft.PowerShell.Commands.SetPSBreakpointCommand"
+        }
+        $ErrorActionPreference = "SilentlyContinue"
+    }
+
+    # Marking as Pending tracking in Issue #829 
+    It "Should be throw Exception when missing mandatory parameter" -Pending {
+        $ErrorActionPreference = "Stop"
+        try {
+            powershell.exe -noninteractive -command 'sbp -line 1' 
+            Throw "Execution OK" 
+        }
+        catch {
+            $_.FullyQualifiedErrorId | Should Be "MissingMandatoryParameter,Microsoft.PowerShell.Commands.SetPSBreakpointCommand"
+        }
+        $ErrorActionPreference = "SilentlyContinue"
+    }      
+    
+    It "Should be able to set psbreakpoints for -command" {
+        $brk = set-psbreakpoint -command "write-host" 
+        $brk.Command | Should Be "write-host"
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+   
+    It "Should be able to set psbreakpoints for -command, -script" {
+        $brk = set-psbreakpoint -command "write-host" -script $scriptFileName 
+        $brk.Command | Should Be "write-host"
+        Remove-PSBreakPoint -Id $brk.Id
+    }     
+
+    It "Should be able to set psbreakpoints for -command, -action and -script" {
+        $brk = set-psbreakpoint -command "write-host" -action {{ break; }} -script $scriptFileName 
+        $brk.Action | Should Match "break"
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "-Command can take multiple items" {
+        $brk = set-psbreakpoint -command write-host,Hello
+        $brk.Command | Should Be write-host,Hello
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "-Script is positional" {
+        $brk = set-psbreakpoint -command "Hello" $scriptFileName
+        $brk.Command | Should Be "Hello" 
+        Remove-PSBreakPoint -Id $brk.Id
+
+        $brk = set-psbreakpoint $scriptFileName -command "Hello" 
+        $brk.Command | Should Be "Hello"
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "Should be able to set breakpoints on functions" {
+        $brk = set-psbreakpoint -command Hello,Goodbye -script $scriptFileName 
+        $brk.Command | Should Be Hello,Goodbye 
+        Remove-PSBreakPoint -Id $brk.Id
+    }
+
+    It "Should be throw Exception when Column number less than 1" {
+        try {
+            set-psbreakpoint -line 1 -column -1 -script $scriptFileName 
+            Throw "Execution OK"
+        }
+        catch {
+            $_.FullyQualifiedErrorId | Should Be "ParameterArgumentValidationError,Microsoft.PowerShell.Commands.SetPSBreakpointCommand"
+        }
+    }
+
+    It "Should be throw Exception when Line number less than 1" {
+        $ErrorActionPreference = "Stop"
+        try {
+            set-psbreakpoint -line -1 -script $scriptFileName
+            Throw "Execution OK" 
+        }
+        catch {
+            $_.FullyQualifiedErrorId | Should Be "SetPSBreakpoint:LineLessThanOne,Microsoft.PowerShell.Commands.SetPSBreakpointCommand"
+        }
+        $ErrorActionPreference = "SilentlyContinue"
+    }
+    
+    # Marking as Pending tracking in Issue #829  
+    It "Remove implicit script from 'set-psbreakpoint -script'" -Pending {
+        if ($IsLinux)
+        {
+            powershell $scriptFileNameBug
+        }
+        else
+        {
+            powershell.exe $scriptFileNameBug
+        }
+
+        $breakpoint = Get-PSBreakpoint -Script $scriptFileNameBug
+        $breakpoint | Should BeNullOrEmpty 
+    }
+
+    It "Fail to set psbreakpoints when script is a file of wrong type" {
+        $tempFile = [System.IO.Path]::GetTempFileName()
+        $ErrorActionPreference = "Stop"
+        {            
+            Set-PSBreakpoint -Script $tempFile -Line 1 
+        } | Should Throw
+        $ErrorActionPreference = "SilentlyContinue"
+        Remove-Item $tempFile -Force
+    } 
+
+    It "Fail to set psbreakpoints when script file does not exist" {
+        $ErrorActionPreference = "Stop"
+        ${script.ps1} = 10
+        {
+            Set-PSBreakpoint -Script variable:\script.ps1 -Line 1  
+        } | Should Throw
+        $ErrorActionPreference = "SilentlyContinue"
+    }  
+
+    # clean up 
+    Remove-Item -Path $scriptFileName -Force
+    Remove-Item -Path $scriptFileNameBug -Force
+}
+
 Describe "Set-PSBreakpoint" {
     # Set up test script
     $testScript = Join-Path -Path $PSScriptRoot -ChildPath psbreakpointtestscript.ps1
diff --git a/test/powershell/Write-Error.Tests.ps1 b/test/powershell/Write-Error.Tests.ps1
index 51687df5b3..57f1b299d6 100644
--- a/test/powershell/Write-Error.Tests.ps1
+++ b/test/powershell/Write-Error.Tests.ps1
@@ -1,3 +1,75 @@
+Describe "Write-Error DRT Unit Tests" -Tags DRT{
+    It "Should be works with command: write-error myerrortext" {
+        Write-Error myerrortext -ErrorAction SilentlyContinue 
+        $Error[0] | Should Not BeNullOrEmpty
+        $Error[0].GetType().Name | Should Be 'ErrorRecord'
+        
+        #Exception verification
+        $Error[0].Exception.GetType().Name | Should Be 'WriteErrorException'
+        $Error[0].Exception.Message | Should Be 'myerrortext'
+        $Error[0].Exception.Data.Count | Should Be 0
+        $Error[0].Exception.InnerException | Should BeNullOrEmpty 
+        
+        #ErrorCategoryInfo verification
+        $Error[0].CategoryInfo | Should Not BeNullOrEmpty
+        $Error[0].CategoryInfo.Category | Should Be 'NotSpecified'
+        $Error[0].CategoryInfo.Activity | Should Be 'Write-Error'
+        $Error[0].CategoryInfo.Reason | Should Be 'WriteErrorException'
+        $Error[0].CategoryInfo.TargetName | Should BeNullOrEmpty
+        $Error[0].CategoryInfo.TargetType | Should BeNullOrEmpty
+        $Error[0].CategoryInfo.GetMessage() | Should Be 'NotSpecified: (:) [Write-Error], WriteErrorException'
+
+        #ErrorDetails verification
+        $Error[0].ErrorDetails | Should BeNullOrEmpty
+
+        #FullyQualifiedErrorId verification 
+        $Error[0].FullyQualifiedErrorId | Should Be 'Microsoft.PowerShell.Commands.WriteErrorException'
+
+        #InvocationInfo verification
+        $Error[0].InvocationInfo | Should Not BeNullOrEmpty
+        $Error[0].InvocationInfo.MyCommand.Name | Should BeNullOrEmpty     
+    }
+
+    #Skip with issue #846
+    It "Should be works with all parameters" -Skip:$true { 
+        $exception = New-Object -TypeName System.ArgumentNullException -ArgumentList paramname 
+        Write-Error -Message myerrortext -Exception $exception -ErrorId myerrorid -Category syntaxerror -TargetObject TargetObject -CategoryActivity myactivity -CategoryReason myreason -CategoryTargetName mytargetname -CategoryTargetType mytargettype -RecommendedAction myrecommendedaction -ErrorAction SilentlyContinue
+        $Error[0] | Should Not BeNullOrEmpty
+        $Error[0].GetType().Name | Should Be 'ErrorRecord'
+
+        #Exception verification
+        $Error[0].Exception | Should Not BeNullOrEmpty
+        $Error[0].Exception.GetType().Name | Should Be 'ArgumentNullException'        
+        $Error[0].Exception.ParamName | Should Be 'paramname'
+        $Error[0].Exception.Data.Count | Should Be 0
+        $Error[0].Exception.InnerException | Should BeNullOrEmpty  
+        
+        #TargetObject verification 
+        $Error[0].TargetObject | Should Be 'TargetObject'
+
+        #FullyQualifiedErrorId verification
+        $Error[0].FullyQualifiedErrorId | Should Be 'myerrorid'
+
+        #ErrorCategoryInfo verification
+        $Error[0].CategoryInfo | Should Not BeNullOrEmpty
+        $Error[0].CategoryInfo.Category | Should Be 'SyntaxError'
+        $Error[0].CategoryInfo.Activity | Should Be 'myactivity'
+        $Error[0].CategoryInfo.Reason | Should Be 'myreason'
+        $Error[0].CategoryInfo.TargetName | Should Be 'mytargetname'
+        $Error[0].CategoryInfo.TargetType | Should Be 'mytargettype'
+        $Error[0].CategoryInfo.GetMessage() | Should Be 'SyntaxError: (mytargetname:mytargettype) [myactivity], myreason'
+
+        #ErrorDetails verification
+        $Error[0].ErrorDetails | Should Not BeNullOrEmpty
+        $Error[0].ErrorDetails.Message | Should Be 'myerrortext'
+        $Error[0].ErrorDetails.RecommendedAction | Should Be 'myrecommendedaction'
+
+        #InvocationInfo verification
+        $Error[0].InvocationInfo | Should Not BeNullOrEmpty
+        $Error[0].InvocationInfo.MyCommand.Name | Should BeNullOrEmpty  
+    }
+}
+
 Describe "Write-Error" {
     It "Should be able to throw" {
 	Write-Error "test throw" -ErrorAction SilentlyContinue | Should Throw