diff --git a/scripts/Makefile b/scripts/Makefile
index 12b6a957a..09aae64be 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -150,7 +150,7 @@ buildtemp: nuget.exe
 # - copy xUnit libraries
 
 # this is the execution environment from which all managed code is run
-APP_BASE=exec_env/app_base
+APP_BASE=$(MONAD)/scripts/exec_env/app_base
 
 .PHONY: $(APP_BASE)
 $(APP_BASE): runps.sh $(RUN_TARGETS)
@@ -187,9 +187,10 @@ run-interactive: shell
 run-file: $(RUN_TARGETS) prepare
 	$(APP_BASE)/runps.sh --file $(PSSCRIPT)
 
-# easy way to run individual PowerShell scripts, `make script.ps1` where the path is relative to monad-linux/scripts (with TEMP set for Pester)
+# easy way to run individual Pester test scripts, `make ../src/pester-tests/Test-Import-Csv.Tests.ps1`
+# where the path is relative to monad-linux/scripts (with TEMP set for Pester)
 %.ps1: $(RUN_TARGETS) prepare
-	TEMP=/tmp $(APP_BASE)/runps.sh --file $(MONAD)/scripts/$@
+	TEMP=/tmp $(APP_BASE)/runps-simple.sh 'cd $(PESTER); & $(MONAD)/scripts/$@'
 
 # compiles "Hello World" like executables using .NET Core
 %.exe: %.cs $(CORECLR) buildtemp
@@ -211,8 +212,9 @@ xunit-tests: dotnetlibs/ps_test.dll $(RUN_TARGETS) prepare
 # Pester tests for PowerShell - results in pester-tests.xml
 # see https://github.com/pester/Pester
 # requires $TEMP to be set
+PESTER=$(MONAD)/src/pester-tests
 pester-tests: $(RUN_TARGETS) prepare
-	$(APP_BASE)/runps-simple.sh 'cd $(MONAD)/src/pester-tests; $$env:TEMP="/tmp"; invoke-pester -OutputFile $(MONAD)/scripts/pester-tests.xml -OutputFormat NUnitXml'
+	$(APP_BASE)/runps-simple.sh 'cd $(PESTER); $$env:TEMP="/tmp"; invoke-pester -OutputFile $(MONAD)/scripts/pester-tests.xml -OutputFormat NUnitXml'
 
 # 3rdparty "hashbang" example using runps-file
 hashbang-tests: all prepare
diff --git a/src/pester-tests/Test-Import-Csv.Tests.ps1 b/src/pester-tests/Test-Import-Csv.Tests.ps1
new file mode 100644
index 000000000..b880faa04
--- /dev/null
+++ b/src/pester-tests/Test-Import-Csv.Tests.ps1
@@ -0,0 +1,51 @@
+Describe "Test-Import-Csv" {
+    $testCsv = "./assets/TestCsv.csv"
+
+    It "Should be able to call without error" {
+        { Import-Csv $testCsv } | Should Not Throw
+    }
+
+    It "Should be able to assign to a variable" {
+        $actual = Import-Csv $testCsv
+
+        $actual                    | Should Not BeNullOrEmpty
+        $actual.GetType().BaseType | Should Be array
+    }
+
+    It "Should have the data from the csv file" {
+        $actualContent = $(Get-Content $testCsv)[0]
+        $testContent   = $($(Import-Csv $testCsv) | Get-Member) | ? { $_.MemberType -eq "NoteProperty" } | % { $_.Name } | Select-Object -First 1
+
+        $actualContent.IndexOf($testContent) | Should BeGreaterThan -1
+    }
+
+    It "Should be able to prepend a custom header" {
+        $header = "test1","test2","test3"
+
+        $originalContent = $($(Import-Csv $testCsv) | Get-Member) | ? { $_.MemberType -eq "NoteProperty" } | % { $_.Name } | Select-Object -First 1
+
+        $testContent = $($(Import-Csv $testCsv -Header $header) | Get-Member) | ? { $_.MemberType -eq "NoteProperty" } | % { $_.Name } | Select-Object -First 3
+
+        # the original csv file doesn't contain the headers
+        $originalContent.IndexOf($header[0]) | Should Be -1
+
+        # but it does with the -Header switch!
+        $testContent[0] | Should Be $header[0]
+        $testContent[1] | Should Be $header[1]
+        $testContent[2] | Should Be $header[2]
+    }
+
+    It "Should be able to use the alias without error" {
+        { Import-Csv $testCsv } | Should Not Throw
+    }
+
+    It "Should have the same output between the alias and the full cmdlet name" {
+        $alias  = $($(ipcsv $testCsv) | Get-Member) | ? { $_.MemberType -eq "NoteProperty" } | % { $_.Name } | Select-Object -First 1
+        $cmdlet = $($(Import-Csv $testCsv) | Get-Member) | ? { $_.MemberType -eq "NoteProperty" } | % { $_.Name } | Select-Object -First 1
+
+        $alias[0] | Should Be $cmdlet[0]
+        $alias[1] | Should Be $cmdlet[1]
+        $alias[2] | Should Be $cmdlet[2]
+
+    }
+}
diff --git a/src/pester-tests/assets/TestCsv.csv b/src/pester-tests/assets/TestCsv.csv
new file mode 100644
index 000000000..73a63d899
--- /dev/null
+++ b/src/pester-tests/assets/TestCsv.csv
@@ -0,0 +1,5 @@
+Column1,Column2,Column 3
+data1,1,A
+data2,2,B
+data3,3,C
+data4,4,D