diff --git a/test/powershell/Import-Alias.Tests.ps1 b/test/powershell/Import-Alias.Tests.ps1
index 3b8cea09da..f47b493a4e 100644
--- a/test/powershell/Import-Alias.Tests.ps1
+++ b/test/powershell/Import-Alias.Tests.ps1
@@ -1,25 +1,99 @@
-Describe "Import-Alias" {
-    $pesteraliasfile = Join-Path -Path (Join-Path $PSScriptRoot -ChildPath assets) -ChildPath pesteralias.txt
-
-    Context "Validate ability to import alias file" {
-
-	It "Should be able to import an alias file successfully" {
-	    { Import-Alias $pesteraliasfile } | Should Not throw
-	}
-
-	It "Should be able to import file via the Import-Alias alias of ipal" {
-	    { ipal $pesteraliasfile } | Should Not throw
-	}
-
-	It "Should be able to import an alias file and perform imported aliased echo cmd" {
-	    (Import-Alias $pesteraliasfile)
-	    (pesterecho pestertesting) | Should Be "pestertesting"
-	}
-
-	It "Should be able to use ipal alias to import an alias file and perform cmd" {
-	    (ipal $pesteraliasfile)
-	    (pesterecho pestertesting) | Should be "pestertesting"
-	}
-
-    }
-}
+Describe "Import-Alias DRT Unit Tests" -Tags DRT{
+    $testAliasDirectory = Join-Path -Path $TestDrive -ChildPath ImportAliasTestDirectory
+    $testAliases        = "TestAliases"
+    $fulltestpath       = Join-Path -Path $testAliasDirectory -ChildPath $testAliases
+
+    BeforeEach {
+		New-Item -Path $testAliasDirectory -ItemType Directory -Force
+		remove-item alias:abcd* -force
+		remove-item alias:ijkl* -force
+		set-alias abcd01 efgh01
+		set-alias abcd02 efgh02
+		set-alias abcd03 efgh03
+		set-alias abcd04 efgh04
+		set-alias ijkl01 mnop01
+		set-alias ijkl02 mnop02
+		set-alias ijkl03 mnop03
+		set-alias ijkl04 mnop04
+    }
+	
+	AfterEach {
+		Remove-Item -Path $testAliasDirectory -Recurse -Force
+	}
+	
+	It "Import-Alias Resolve To Multiple will throw PSInvalidOperationException" {	
+		try {
+			Import-Alias *
+			Throw "Execution OK"
+		} 
+		catch {
+			$_.FullyQualifiedErrorId | Should be "NotSupported,Microsoft.PowerShell.Commands.ImportAliasCommand"
+		}
+	}
+	
+	It "Import-Alias From Exported Alias File Aliases Already Exist should throw SessionStateException skip now as bug#777" -Skip:$true{
+		{Export-Alias  $fulltestpath abcd*}| Should Not Throw
+		try {
+			Import-Alias $fulltestpath
+			Throw "Execution OK"
+		} 
+		catch {
+			$_.FullyQualifiedErrorId | Should be "AliasAlreadyExists,Microsoft.PowerShell.Commands.ImportAliasCommand"
+		}
+    }
+	
+	It "Import-Alias Into Invalid Scope should throw PSArgumentException"{
+		{Export-Alias  $fulltestpath abcd*}| Should Not Throw
+		try {
+			Import-Alias $fulltestpath -scope bogus
+			Throw "Execution OK"
+		} 
+		catch {
+			$_.FullyQualifiedErrorId | Should be "Argument,Microsoft.PowerShell.Commands.ImportAliasCommand"
+		}
+    }
+	
+	It "Import-Alias From Exported Alias File Aliases Already Exist using force should not throw"{
+		{Export-Alias  $fulltestpath abcd*}| Should Not Throw
+		{Import-Alias $fulltestpath  -Force}| Should Not Throw
+    }
+}
+
+Describe "Import-Alias" {
+	$newLine=[Environment]::NewLine
+	$testAliasDirectory = Join-Path -Path $TestDrive -ChildPath ImportAliasTestDirectory
+    $testAliases        = "pesteralias.txt"
+    $pesteraliasfile       = Join-Path -Path $testAliasDirectory -ChildPath $testAliases
+	
+	BeforeEach {
+		New-Item -Path $testAliasDirectory -ItemType Directory -Force
+	
+		$pesteraliascontent ='# Alias File'+$newLine
+		$pesteraliascontent+='# Exported by : alex'+$newLine
+		$pesteraliascontent+='# Date/Time : Thursday, 12 November 2015 21:55:08'+$newLine
+		$pesteraliascontent+='# Computer : archvm'+$newLine+'"pesterecho","echo","","None"'
+		$pesteraliascontent > $pesteraliasfile
+	}
+	
+	AfterEach {
+		Remove-Item -Path $testAliasDirectory -Recurse -Force
+	}
+
+	It "Should be able to import an alias file successfully" {
+	    { Import-Alias $pesteraliasfile } | Should Not throw
+	}
+
+	It "Should be able to import file via the Import-Alias alias of ipal" {
+	    { ipal $pesteraliasfile } | Should Not throw
+	}
+
+	It "Should be able to import an alias file and perform imported aliased echo cmd" {
+	    (Import-Alias $pesteraliasfile)
+	    (pesterecho pestertesting) | Should Be "pestertesting"
+	}
+
+	It "Should be able to use ipal alias to import an alias file and perform cmd" {
+	    (ipal $pesteraliasfile)
+	    (pesterecho pestertesting) | Should be "pestertesting"
+	}
+}