diff --git a/test/powershell/Add-Content.Tests.ps1 b/test/powershell/Add-Content.Tests.ps1
index 326cb1bc0..8f0312351 100644
--- a/test/powershell/Add-Content.Tests.ps1
+++ b/test/powershell/Add-Content.Tests.ps1
@@ -11,11 +11,11 @@ Describe "Add-Content cmdlet tests" {
             $result = get-content -path testdrive:\$file1
             $result | Should BeExactly "ExpectedContent"
         }
-        It "should Add-Content to testdrive:\dynamicfile.txt with dynamic parameters" {
+        It "should Add-Content to testdrive:\dynamicfile.txt with dynamic parameters" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             $result=add-content -path testdrive:\dynamicfile.txt -value "ExpectedContent" -passthru
             $result| Should BeExactly "ExpectedContent"
         }
-        It "should return expected string from testdrive:\dynamicfile.txt" {
+        It "should return expected string from testdrive:\dynamicfile.txt" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             $result = get-content -path testdrive:\dynamicfile.txt
             $result | Should BeExactly "ExpectedContent"
         }
@@ -35,7 +35,7 @@ Describe "Add-Content cmdlet tests" {
             #[DRT][BugId(BugDatabase.WindowsOutOfBandReleases, 906022)]
             {add-content -path HKLM:\\software\\microsoft -value "ShouldNotWorkBecausePathIsUnsupported" -ea stop} | Should Throw "IContentCmdletProvider interface is not implemented"
         }
-        It "should be able to pass multiple [string]`$objects to Add-Content through the pipeline to output a dynamic Path file" {
+        It "should be able to pass multiple [string]`$objects to Add-Content through the pipeline to output a dynamic Path file" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             #[DRT][BugId(BugDatabase.WindowsOutOfBandReleases, 9058182)]
             "hello","world"|add-content testdrive:\dynamicfile2.txt
             $result=get-content testdrive:\dynamicfile2.txt
diff --git a/test/powershell/Get-Content.Tests.ps1 b/test/powershell/Get-Content.Tests.ps1
index e843ceb22..985b505d0 100644
--- a/test/powershell/Get-Content.Tests.ps1
+++ b/test/powershell/Get-Content.Tests.ps1
@@ -120,12 +120,14 @@ Describe "Get-Content" {
 
         $result=get-content -path $testPath -delimiter "," -tail 2
         $result.Length    | Should Be 2
-        $expected = "World3`r`nHello4,","World4`r`n"
+        if ($IsWindows) {$expected = "World3`r`nHello4,","World4`r`n"
+        } else {$expected = "World3`nHello4,","World4`n"}
         for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i]  | Should BeExactly $expected[$i]}
         
         $result=get-content -path $testPath -delimiter "o" -tail 3
         $result.Length    | Should Be 3
-        $expected = "rld3`r`nHello","4,Wo","rld4"
+        if ($IsWindows) {$expected = "rld3`r`nHello","4,Wo","rld4"
+        } else {$expected = "rld3`nHello","4,Wo","rld4"}
         for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i].Trim()  | Should BeExactly $expected[$i]}
 
         $result=get-content -path $testPath -encoding:Byte -tail 10
@@ -138,7 +140,8 @@ Describe "Get-Content" {
         set-content $testPath "Hello,llllWorlld","Hello2,llllWorlld2"
         $result=get-content $testPath -delimiter "ll" 
         $result.Length    | Should Be 9
-        $expected = "Hell","o,ll","ll","Worll","d`r`nHell","o2,ll","ll","Worll","d2`r`n"
+        if ($IsWindows) {$expected = "Hell","o,ll","ll","Worll","d`r`nHell","o2,ll","ll","Worll","d2`r`n"
+        } else {$expected = "Hell","o,ll","ll","Worll","d`nHell","o2,ll","ll","Worll","d2`n"}  
         for ($i = 0; $i -lt $result.Length ; $i++) { $result[$i]  | Should BeExactly $expected[$i]}
     }
 }
diff --git a/test/powershell/Set-Content.Tests.ps1 b/test/powershell/Set-Content.Tests.ps1
index 761de9cee..5a0feebbc 100644
--- a/test/powershell/Set-Content.Tests.ps1
+++ b/test/powershell/Set-Content.Tests.ps1
@@ -11,11 +11,11 @@ Describe "Set-Content cmdlet tests" {
             $result = get-content -path testdrive:\$file1
             $result | Should BeExactly "ExpectedContent"
         }
-        It "should Set-Content to testdrive:\dynamicfile.txt with dynamic parameters" {
+        It "should Set-Content to testdrive:\dynamicfile.txt with dynamic parameters" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             $result=set-content -path testdrive:\dynamicfile.txt -value "ExpectedContent" -passthru
             $result| Should BeExactly "ExpectedContent"
         }
-        It "should return expected string from testdrive:\dynamicfile.txt" {
+        It "should return expected string from testdrive:\dynamicfile.txt" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             $result = get-content -path testdrive:\dynamicfile.txt
             $result | Should BeExactly "ExpectedContent"
         }
@@ -38,7 +38,7 @@ Describe "Set-Content cmdlet tests" {
             #[DRT][BugId(BugDatabase.WindowsOutOfBandReleases, 906022)]
             {set-content -path HKLM:\\software\\microsoft -value "ShouldNotWorkBecausePathIsUnsupported" -ea stop} | Should Throw "IContentCmdletProvider interface is not implemented"
         }
-        It "should be able to pass multiple [string]`$objects to Set-Content through the pipeline to output a dynamic Path file" {
+        It "should be able to pass multiple [string]`$objects to Set-Content through the pipeline to output a dynamic Path file" -Pending:($IsLinux -Or $IsOSX) {#https://github.com/PowerShell/PowerShell/issues/891
             #[DRT][BugId(BugDatabase.WindowsOutOfBandReleases, 9058182)]
             "hello","world"|set-content testdrive:\dynamicfile2.txt
             $result=get-content testdrive:\dynamicfile2.txt