diff --git a/test/Scoop-Alias.Tests.ps1 b/test/Scoop-Alias.Tests.ps1
index 028309d32..a29cdf0b7 100644
--- a/test/Scoop-Alias.Tests.ps1
+++ b/test/Scoop-Alias.Tests.ps1
@@ -13,10 +13,10 @@ describe "add_alias" -Tag 'Scoop' {
   context "alias doesn't exist" {
     it "creates a new alias" {
       $alias_file = "$shimdir\scoop-rm.ps1"
-      $alias_file | should not exist
+      $alias_file | should -not -exist
 
       add_alias "rm" '"hello, world!"'
-      Invoke-Expression $alias_file | should be "hello, world!"
+      Invoke-Expression $alias_file | should -be "hello, world!"
     }
   }
 
@@ -24,10 +24,10 @@ describe "add_alias" -Tag 'Scoop' {
     it "does not change existing alias" {
       $alias_file = "$shimdir\scoop-rm.ps1"
       new-item $alias_file -type file
-      $alias_file | should exist
+      $alias_file | should -exist
 
       add_alias "rm" "test"
-      $alias_file | should FileContentMatch ""
+      $alias_file | should -FileContentMatch ""
     }
   }
 }
@@ -45,11 +45,11 @@ describe "rm_alias" {
       $alias_file = "$shimdir\scoop-rm.ps1"
       add_alias "rm" '"hello, world!"'
 
-      $alias_file | should exist
+      $alias_file | should -exist
       mock get_config { @(@{"rm" = "scoop-rm"}) }
 
       rm_alias "rm"
-      $alias_file | should not exist
+      $alias_file | should -not -exist
     }
   }
 }
diff --git a/test/Scoop-Config.Tests.ps1 b/test/Scoop-Config.Tests.ps1
index 0e043d614..086b18968 100644
--- a/test/Scoop-Config.Tests.ps1
+++ b/test/Scoop-Config.Tests.ps1
@@ -8,13 +8,13 @@ describe "hashtable" -Tag 'Scoop' {
         $obj = convertfrom-json $json
         $ht = hashtable $obj
 
-        $ht.one | should beexactly 1
-        $ht.two[0].a | should be "a"
-        $ht.two[1] | should be "b"
-        $ht.two[2] | should beexactly 2
-        $ht.three.four | should beexactly 4
-        $ht.five | should beexactly $true
-        $ht.six | should beexactly $false
-        [System.DateTime]::Equals($ht.seven, $(New-Object System.DateTime (2018, 06, 25, 09, 03, 15, 805))) | should be $true
+        $ht.one | should -beexactly 1
+        $ht.two[0].a | should -be "a"
+        $ht.two[1] | should -be "b"
+        $ht.two[2] | should -beexactly 2
+        $ht.three.four | should -beexactly 4
+        $ht.five | should -beexactly $true
+        $ht.six | should -beexactly $false
+        [System.DateTime]::Equals($ht.seven, $(New-Object System.DateTime (2018, 06, 25, 09, 03, 15, 805))) | should -betrue
     }
 }
diff --git a/test/Scoop-GetOpts.Tests.ps1 b/test/Scoop-GetOpts.Tests.ps1
index 7796defbe..21fe49961 100644
--- a/test/Scoop-GetOpts.Tests.ps1
+++ b/test/Scoop-GetOpts.Tests.ps1
@@ -4,68 +4,68 @@
 describe "getopt" -Tag 'Scoop' {
     it 'handle short option with required argument missing' {
         $null, $null, $err = getopt '-x' 'x:' ''
-        $err | should be 'Option -x requires an argument.'
+        $err | should -be 'Option -x requires an argument.'
 
         $null, $null, $err = getopt '-xy' 'x:y' ''
-        $err | should be 'Option -x requires an argument.'
+        $err | should -be 'Option -x requires an argument.'
     }
 
     it 'handle long option with required argument missing' {
         $null, $null, $err = getopt '--arb' '' 'arb='
-        $err | should be 'Option --arb requires an argument.'
+        $err | should -be 'Option --arb requires an argument.'
     }
 
     it 'handle unrecognized short option' {
         $null, $null, $err = getopt '-az' 'a' ''
-        $err | should be 'Option -z not recognized.'
+        $err | should -be 'Option -z not recognized.'
     }
 
     it 'handle unrecognized long option' {
         $null, $null, $err = getopt '--non-exist' '' ''
-        $err | should be 'Option --non-exist not recognized.'
+        $err | should -be 'Option --non-exist not recognized.'
 
         $null, $null, $err = getopt '--global','--another' 'abc:de:' 'global','one'
-        $err | should be 'Option --another not recognized.'
+        $err | should -be 'Option --another not recognized.'
     }
 
     it 'remaining args returned' {
         $opt, $rem, $err = getopt '-g','rem' 'g' ''
-        $err | should be $null
-        $opt.g | should be $true
-        $rem | should not be $null
-        $rem.length | should be 1
-        $rem[0] | should be 'rem'
+        $err | should -benullorempty
+        $opt.g | should -betrue
+        $rem | should -not -benullorempty
+        $rem.length | should -be 1
+        $rem[0] | should -be 'rem'
     }
 
     it 'get a long flag and a short option with argument' {
         $a = "--global -a 32bit test" -split ' '
         $opt, $rem, $err = getopt $a 'ga:' 'global','arch='
 
-        $err | should be $null
-        $opt.global | should be $true
-        $opt.a | should be '32bit'
+        $err | should -benullorempty
+        $opt.global | should -betrue
+        $opt.a | should -be '32bit'
     }
 
     it 'handles regex characters' {
         $a = "-?"
-        { $opt, $rem, $err = getopt $a 'ga:' 'global' 'arch=' } | should not throw
-        { $null, $null, $null = getopt $a '?:' 'help' | should not throw }
+        { $opt, $rem, $err = getopt $a 'ga:' 'global' 'arch=' } | should -not -throw
+        { $null, $null, $null = getopt $a '?:' 'help' | should -not -throw }
     }
 
     it 'handles short option without required argument' {
         $null, $null, $err = getopt '-x' 'x' ''
-        $err | should be $null
+        $err | should -benullorempty
     }
 
     it 'handles long option without required argument' {
         $opt, $null, $err = getopt '--long-arg' '' 'long-arg'
-        $err | should be $null
-        $opt."long-arg" | should be $true
+        $err | should -benullorempty
+        $opt."long-arg" | should -betrue
     }
 
     it 'handles long option with required argument' {
         $opt, $null, $err = getopt '--long-arg', 'test' '' 'long-arg='
-        $err | should be $null
-        $opt."long-arg" | should be "test"
+        $err | should -benullorempty
+        $opt."long-arg" | should -be "test"
     }
 }
diff --git a/test/Scoop-Linting.Tests.ps1 b/test/Scoop-Linting.Tests.ps1
index aa3f92946..40370a047 100644
--- a/test/Scoop-Linting.Tests.ps1
+++ b/test/Scoop-Linting.Tests.ps1
@@ -7,13 +7,13 @@ Describe -Tag 'Linter' "PSScriptAnalyzer" {
 
     Context "Checking ScriptAnalyzer" {
         It "Invoke-ScriptAnalyzer Cmdlet should exist" {
-            { Get-Command Invoke-ScriptAnalyzer -ErrorAction Stop } | Should Not Throw
+            { Get-Command Invoke-ScriptAnalyzer -ErrorAction Stop } | should -not -throw
         }
         It "PSScriptAnalyzerSettings.ps1 should exist" {
-            Test-Path "$repo_dir\PSScriptAnalyzerSettings.psd1" | Should Be $true
+            Test-Path "$repo_dir\PSScriptAnalyzerSettings.psd1" | should -betrue
         }
         It "There should be files to test" {
-            $scoop_modules.Count | Should Not Be 0
+            $scoop_modules.Count | should -not -be 0
         }
     }
 
@@ -23,7 +23,7 @@ Describe -Tag 'Linter' "PSScriptAnalyzer" {
         foreach($directory in $scoop_modules) {
             $analysis = Invoke-ScriptAnalyzer -Path $directory.FullName -Settings $linting_settings.FullName
             It "Should pass: $directory" {
-                $analysis.Count | Should Be 0
+                $analysis.Count | should -be 0
             }
             if($analysis) {
                 foreach($result in $analysis) {
diff --git a/test/Scoop-Manifest.Tests.ps1 b/test/Scoop-Manifest.Tests.ps1
index 3f15dcf3d..223bf5dfe 100644
--- a/test/Scoop-Manifest.Tests.ps1
+++ b/test/Scoop-Manifest.Tests.ps1
@@ -12,34 +12,34 @@ describe -Tag 'Manifests' "manifest-validation" {
     }
 
     it "Scoop.Validator is available" {
-        ([System.Management.Automation.PSTypeName]'Scoop.Validator').Type | should be 'Scoop.Validator'
+        ([System.Management.Automation.PSTypeName]'Scoop.Validator').Type | should -be 'Scoop.Validator'
     }
 
     context "parse_json function" {
         it "fails with invalid json" {
-            { parse_json "$working_dir\broken_wget.json" } | should throw
+            { parse_json "$working_dir\broken_wget.json" } | should -throw
         }
     }
 
     context "schema validation" {
         it "fails with broken schema" {
             $validator = new-object Scoop.Validator("$working_dir/broken_schema.json", $true)
-            $validator.Validate("$working_dir/wget.json") | should be $false
-            $validator.Errors.Count | should be 1
-            $validator.Errors | select-object -First 1 | should match "broken_schema.*(line 6).*(position 4)"
+            $validator.Validate("$working_dir/wget.json") | should -BeFalse
+            $validator.Errors.Count | should -be 1
+            $validator.Errors | select-object -First 1 | should -match "broken_schema.*(line 6).*(position 4)"
         }
         it "fails with broken manifest" {
             $validator = new-object Scoop.Validator($schema, $true)
-            $validator.Validate("$working_dir/broken_wget.json") | should be $false
-            $validator.Errors.Count | should be 1
-            $validator.Errors | select-object -First 1 | should match "broken_wget.*(line 5).*(position 4)"
+            $validator.Validate("$working_dir/broken_wget.json") | should -BeFalse
+            $validator.Errors.Count | should -be 1
+            $validator.Errors | select-object -First 1 | should -match "broken_wget.*(line 5).*(position 4)"
         }
         it "fails with invalid manifest" {
             $validator = new-object Scoop.Validator($schema, $true)
-            $validator.Validate("$working_dir/invalid_wget.json") | should be $false
-            $validator.Errors.Count | should be 16
-            $validator.Errors | select-object -First 1 | should match "invalid_wget.*randomproperty.*properties\.$"
-            $validator.Errors | select-object -Last 1 | should match "invalid_wget.*version\.$"
+            $validator.Validate("$working_dir/invalid_wget.json") | should -BeFalse
+            $validator.Errors.Count | should -be 16
+            $validator.Errors | select-object -First 1 | should -match "invalid_wget.*randomproperty.*properties\.$"
+            $validator.Errors | select-object -Last 1 | should -match "invalid_wget.*version\.$"
         }
     }
 
@@ -74,7 +74,7 @@ describe -Tag 'Manifests' "manifest-validation" {
                         if ($validator.Errors.Count -gt 0) {
                             write-host -f yellow $validator.ErrorsAsString
                         }
-                        $validator.Errors.Count | should be 0
+                        $validator.Errors.Count | should -be 0
                     } catch {
                         if($_.exception.message -like '*The free-quota limit of 1000 schema validations per hour has been reached.*') {
                             $quota_exceeded = $true
@@ -91,7 +91,7 @@ describe -Tag 'Manifests' "manifest-validation" {
                 if(!$url) {
                     $url = $url64
                 }
-                $url | should not benullorempty
+                $url | should -not -benullorempty
             }
         }
     }
diff --git a/test/Scoop-Versions.Tests.ps1 b/test/Scoop-Versions.Tests.ps1
index 92ef774e5..a02e96821 100644
--- a/test/Scoop-Versions.Tests.ps1
+++ b/test/Scoop-Versions.Tests.ps1
@@ -7,7 +7,7 @@ describe "versions" -Tag 'Scoop' {
         $b = '1.8.5-1'
         $res = compare_versions $a $b
 
-        $res | should be 1
+        $res | should -be 1
     }
 
     it 'handles plain string version comparison to int version' {
@@ -15,7 +15,7 @@ describe "versions" -Tag 'Scoop' {
         $b = '20150405'
         $res = compare_versions $a $b
 
-        $res | should be 1
+        $res | should -be 1
     }
 
     it 'handles dashed version components' {
@@ -24,14 +24,14 @@ describe "versions" -Tag 'Scoop' {
 
         $res = compare_versions $a $b
 
-        $res | should be -1
+        $res | should -be -1
     }
 
     it 'handles comparsion against en empty string' {
-        compare_versions '7.0.4-9' '' | should be 1
+        compare_versions '7.0.4-9' '' | should -be 1
     }
 
     it 'handles equal versions' {
-        compare_versions '12.0' '12.0' | should be 0
+        compare_versions '12.0' '12.0' | should -be 0
     }
 }