diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index fd6e85b..9963bbc 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -33,7 +33,7 @@ jobs:
             3.0.x
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 2.2.402, 3.1.404, 3.0
+        run: __tests__/verify-dotnet.ps1 -Patterns "^2.2.402$", "^3.1.404$", "^3.0"
 
   test-setup-full-version:
     runs-on: ${{ matrix.operating-system }}
@@ -62,7 +62,7 @@ jobs:
           NUGET_AUTH_TOKEN: NOTATOKEN
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1.201, 2.2.402 -CheckNugetConfig
+        run: __tests__/verify-dotnet.ps1 -Patterns "^3.1.201$", "^2.2.402$" -CheckNugetConfig
 
   test-setup-without-patch-version:
     runs-on: ${{ matrix.operating-system }}
@@ -87,7 +87,7 @@ jobs:
           dotnet-version: '2.2'
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1, 2.2
+        run: __tests__/verify-dotnet.ps1 -Patterns "^3.1", "^2.2"
 
   test-setup-prerelease-version:
     runs-on: ${{ matrix.operating-system }}
@@ -107,7 +107,7 @@ jobs:
           dotnet-version: '3.1.100-preview1-014459'
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1.100-preview1-014459
+        run: __tests__/verify-dotnet.ps1 -Patterns "3.1.100-preview1-014459"
 
   test-setup-latest-patch-version:
     runs-on: ${{ matrix.operating-system }}
@@ -131,7 +131,7 @@ jobs:
           dotnet-version: 2.2.X
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 2.2, 3.1
+        run: __tests__/verify-dotnet.ps1 -Patterns "^2.2", "^3.1"
 
   test-setup-with-wildcard:
     runs-on: ${{ matrix.operating-system }}
@@ -155,7 +155,7 @@ jobs:
           dotnet-version: 2.2.*
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1, 2.2
+        run: __tests__/verify-dotnet.ps1 -Patterns "^3.1", "^2.2"
 
   test-setup-global-json-specified-and-version:
     runs-on: ${{ matrix.operating-system }}
@@ -181,7 +181,7 @@ jobs:
           global-json-file: ./subdirectory/global.json
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 2.2.207, 3.1
+        run: __tests__/verify-dotnet.ps1 -Patterns "^2.2", "^3.1"
 
   test-setup-with-dotnet-quality:
     runs-on: ${{ matrix.operating-system }}
@@ -203,7 +203,7 @@ jobs:
           dotnet-quality: 'preview'
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 7.0 -ContainedPattern "preview"
+        run: __tests__/verify-dotnet.ps1 -Patterns "^7\.0\.\d+-"
 
   test-dotnet-version-output-during-single-version-installation:
     runs-on: ${{ matrix.operating-system }}
@@ -262,7 +262,7 @@ jobs:
   test-proxy:
     runs-on: ubuntu-latest
     container:
-      image: mcr.microsoft.com/dotnet/core/runtime-deps:3.0-bionic
+      image: ubuntu:latest
       options: --dns 127.0.0.1
     services:
       squid-proxy:
@@ -275,22 +275,29 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Clear tool cache
-        run: rm -rf "/usr/share/dotnet"
-      - name: Install curl
+      - name: Install Powershell
         run: |
-          apt update
-          apt -y install curl
-      - name: Setup dotnet 3.1.201
+          apt-get update
+          apt-get install -y wget apt-transport-https software-properties-common
+          wget -q "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb"
+          dpkg -i packages-microsoft-prod.deb
+          rm packages-microsoft-prod.deb
+          apt-get update
+          apt-get install -y powershell
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
+      - name: Setup dotnet 6.0
         uses: ./
         with:
-          dotnet-version: 3.1.201
+          dotnet-version: 6.0
           source-url: https://api.nuget.org/v3/index.json
         env:
           NUGET_AUTH_TOKEN: NOTATOKEN
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1.201 -CheckNugetConfig
+        run: |
+          __tests__/verify-dotnet.ps1 -Patterns "^6.0" -CheckNugetConfig
 
   test-bypass-proxy:
     runs-on: ubuntu-latest
@@ -300,8 +307,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
-      - name: Clear tool cache
-        run: rm -rf "/usr/share/dotnet"
+      - name: Clear toolcache
+        shell: pwsh
+        run: __tests__/clear-toolcache.ps1 ${{ runner.os }}
       - name: Setup dotnet 3.1.201
         uses: ./
         with:
@@ -311,4 +319,4 @@ jobs:
           NUGET_AUTH_TOKEN: NOTATOKEN
       - name: Verify dotnet
         shell: pwsh
-        run: __tests__/verify-dotnet.ps1 -Patterns 3.1.201 -CheckNugetConfig
+        run: __tests__/verify-dotnet.ps1 -Patterns "^3.1.201$" -CheckNugetConfig
diff --git a/.github/workflows/test-dotnet.yml b/.github/workflows/test-dotnet.yml
index 0b37d28..760167b 100644
--- a/.github/workflows/test-dotnet.yml
+++ b/.github/workflows/test-dotnet.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest, windows-latest, macOS-latest]
-        dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0']
+        dotnet-version: ['2.1', '2.2', '3.0', '3.1', '5.0', '6.0', '7.0']
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -29,9 +29,7 @@ jobs:
         uses: ./
         with:
           dotnet-version: ${{ matrix.dotnet-version }}
-      - name: Check installed version
+      - name: Verify installed version
         shell: pwsh
         run: |
-          $version = & dotnet --version
-          Write-Host "Installed version: $version"
-          if (-not $version.StartsWith("${{ matrix.dotnet-version }}")) { throw "Unexpected version" }
+          __tests__/verify-dotnet.ps1 -Patterns "^${{ matrix.dotnet-version }}"
diff --git a/.gitignore b/.gitignore
index b339e2c..1cb082a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,8 +3,8 @@ global.json
 lib/
 node_modules/
 __tests__/runner/*
-__tests__/sample-csproj/bin/
-__tests__/sample-csproj/obj/
+__tests__/e2e-test-csproj/bin/
+__tests__/e2e-test-csproj/obj/
 
 # Rest of the file pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
 # Logs
diff --git a/__tests__/e2e-test-csproj/Test.cs b/__tests__/e2e-test-csproj/Test.cs
index 533bdb8..ba9573a 100644
--- a/__tests__/e2e-test-csproj/Test.cs
+++ b/__tests__/e2e-test-csproj/Test.cs
@@ -1,4 +1,5 @@
 using Microsoft.VisualStudio.TestTools.UnitTesting;
+using System;
 
 namespace test_csproj
 {
@@ -7,8 +8,11 @@ namespace test_csproj
     {
         [TestMethod]
         public void TestMethod()
-        {
-            Assert.AreEqual((1 + 1), 2);
+        {   
+            Console.WriteLine("TestMethod");
+            int calculatedResult = 1000 / 25;
+            int expectedResult = 40;
+            Assert.AreEqual(calculatedResult, expectedResult);
         }
     }
 }
diff --git a/__tests__/e2e-test-csproj/test.csproj b/__tests__/e2e-test-csproj/test.csproj
index 370186a..769269f 100644
--- a/__tests__/e2e-test-csproj/test.csproj
+++ b/__tests__/e2e-test-csproj/test.csproj
@@ -2,11 +2,11 @@
 
   <PropertyGroup>
     <TargetFramework>$(TEST_TARGET_FRAMEWORK)</TargetFramework>
-
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
+    <!-- These packages will be downloaded over the network for testing proxy settings -->
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0-preview-20170810-02" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.1.18" />
     <PackageReference Include="MSTest.TestFramework" Version="1.1.18" />
diff --git a/__tests__/verify-dotnet.ps1 b/__tests__/verify-dotnet.ps1
index 53befbb..496fec2 100755
--- a/__tests__/verify-dotnet.ps1
+++ b/__tests__/verify-dotnet.ps1
@@ -1,57 +1,68 @@
+<#
+  .DESCRIPTION
+  Verifies that installed on the machine .NET SDK versions match the input patterns.
+  Optionally checks that the nuget.config file is generated correctly.
+
+  .PARAMETER Patterns
+  Specifies the regular expression patterns that should be matched with the installed
+  on the machine .NET SDK versions. The number of patterns should be equal to the number
+  of installed .NET versions. 
+
+  .PARAMETER CheckNugetConfig
+  Switches the check for the existence of the nuget.config file.
+
+  .EXAMPLE
+  PS> .\verify-dotnet.ps1 -Paterns "^3.1.200$", "^6.0" -CheckNugetConfig
+#>
+
 param(
   [ValidateNotNullOrEmpty()]
+  [Parameter(Mandatory=$true)]
   [string[]]$Patterns,
-  [ValidateNotNullOrEmpty()]
-  [string]$ContainedPattern,
   [switch]$CheckNugetConfig
 )
 
-if ($CheckNugetConfig.IsPresent) {
-  if (!(Test-Path "../nuget.config"))
-  {
-    throw "The nuget.config file is not generated correctly."
-  }
+$PatternsList = [System.Collections.ArrayList]($Patterns)
+
+if ($CheckNugetConfig.IsPresent -and !(Test-Path "../nuget.config")) {
+  throw "The nuget.config file is not generated correctly."
 }
 
-if (!$Patterns.Count)
-{
-  throw "At least 1 dotnet-version pattern should be supplied to script."
-}
+$PatternsCount = $PatternsList.Count
 
-Write-Host "Those patterns were supplied to the script: $($Patterns -join ', ')."
+Write-Host "Those patterns were supplied to the script: $($PatternsList -join ', ')."
 $dotnet = Get-Command dotnet | Select-Object -First 1 | ForEach-Object { $_.Path }
 Write-Host "Found: '$dotnet'"
 
 # SDKs are listed on multiple lines with the path afterwards in square brackets
-$versions = & $dotnet --list-sdks | ForEach-Object { $_.SubString(0, $_.IndexOf('[')).Trim() }
-Write-Host "Installed versions: $($versions -join ', ')."
-$InstalledVersionCount = 0
-foreach($pattern in $Patterns)
+$Versions = & $dotnet --list-sdks | ForEach-Object { $_.SubString(0, $_.IndexOf('[')).Trim() }
+Write-Host "Found installed versions: $($Versions -join ', ')."
+$InstalledVersionCount = $Versions.Count
+
+foreach($version in $Versions)
 {
-  foreach ($version in $versions)
+  foreach($pattern in $PatternsList) 
   {
-    if ($ContainedPattern) 
-    {
-      if ($version.StartsWith($pattern.ToString()) -and $version.Contains($ContainedPattern))
-      {
-        $InstalledVersionCount++
-      } 
-    } 
-      elseif ($version.StartsWith($pattern.ToString()))
-      {
-          $InstalledVersionCount++
-      }
+    if ($version -match $pattern)
+    { 
+      $PatternsList.Remove($pattern)
+      $InstalledVersionCount--
+      break
+    }
   }
 }
-if ( $InstalledVersionCount -ne $Patterns.Count)
+
+if ( $InstalledVersionCount -ne 0)
 {
-  throw "An unexpected version of Dotnet is found on the machine, please check the script's dotnet-version patterns."
+  throw "An unexpected version of Dotnet is found on the machine, please check the correctness of the -Patterns input."
 }
 
 Write-Host "Changing directory to the ./__tests__/e2e-test-csproj"
-Set-Location ./__tests__/e2e-test-csproj
+$workingDir = Get-Location
+$testProjectDir = "./__tests__/e2e-test-csproj"
+Set-Location $testProjectDir
 
-$targetFrameworkVersionMapping = @{
+$targetFrameworkVersionMap = @{
   "1.0" = "netcoreapp1.0";
   "1.1" = "netcoreapp1.1";
   "2.0" = "netcoreapp2.0";
@@ -64,14 +75,17 @@ $targetFrameworkVersionMapping = @{
   "7.0" = "net7.0";
  }
 
-foreach ($version in $versions)
+foreach ($version in $Versions)
 {
+  # Creating temporary global.json file inside e2e-test-csproj dir and setting exact version of .NET inside allows to override default behavior of .NET and run build and tests on that exact version. 
   Write-Host "Creating temporary global.json file for $version .NET version."
   & $dotnet new globaljson --sdk-version $version --force
-  Write-Host "The global.json file for the version $version is created. Currently used .NET version is: $(& $dotnet --version)"
+  Write-Host "The global.json file for the version $version is created. Currently used .NET version is: $(& $dotnet --version)."
+
+  # Environment variable TEST_TARGET_FRAMEWORK is used inside the test.csproj file to target required framework version
   $version -match "^(?<key>\d+\.\d+)"
-  Write-Host "Setting the TEST_TARGET_FRAMEWORK environment variable to $($targetFrameworkVersionMapping[$Matches.key])"
-  [Environment]::SetEnvironmentVariable('TEST_TARGET_FRAMEWORK', $($targetFrameworkVersionMapping[$Matches.key]))
+  Write-Host "Setting the TEST_TARGET_FRAMEWORK environment variable to $($targetFrameworkVersionMap[$Matches.key])"
+  [Environment]::SetEnvironmentVariable('TEST_TARGET_FRAMEWORK', $($targetFrameworkVersionMap[$Matches.key]))
 
   Write-Host "Building test C# project with $version .NET version."
   & $dotnet build --no-cache
@@ -89,8 +103,8 @@ foreach ($version in $versions)
 
   Write-Host "Tests are completed successfully!"
 
-  Write-Host "Removing temprary global.json file."
+  Write-Host "Removing temporary global.json file."
   Remove-Item ./global.json
 }
 
-Set-Location ../..
\ No newline at end of file
+Set-Location $workingDir
\ No newline at end of file
diff --git a/__tests__/verify-dotnet.sh b/__tests__/verify-dotnet.sh
deleted file mode 100755
index 098d076..0000000
--- a/__tests__/verify-dotnet.sh
+++ /dev/null
@@ -1,44 +0,0 @@
-if [ -z "$1" ]; then
-  echo "Must supply dotnet version argument"
-  exit 1
-fi
-
-if [ ! -f "../nuget.config" ]; then
-  echo "nuget file not generated correctly"
-  exit 1
-fi
-
-dotnet_version="$(dotnet --version)"
-echo "Found dotnet version '$dotnet_version'"
-if [ -z "$(echo $dotnet_version | grep $1)" ]; then
-  echo "Unexpected version"
-  exit 1
-fi
-
-if [ -n "$2" ]; then
-  dotnet_version="$(dotnet --list-sdks)"
-  echo "Found dotnet version '$dotnet_version'"
-  if [ -z "$(echo $dotnet_version | grep $2)" ]; then
-    echo "Unexpected version"
-    exit 1
-  fi
-fi
-
-echo "Building sample csproj"
-dotnet build __tests__/sample-csproj/ --no-cache || exit 1
-
-echo "Testing compiled app"
-sample_output=$(dotnet test __tests__/sample-csproj/ --no-build)
-echo "Sample output: $sample_output"
-# For Side-by-Side installs we want to run the tests twice, for a single install the tests will run once
-if [ -n "$2" ]; then
-  if [ -z "$(echo $sample_output | grep "Test Run Successful.*Test Run Successful.")" ]; then
-    echo "Unexpected output"
-    exit 1
-  fi
-else
-  if [ -z "$(echo $sample_output | grep "Test Run Successful.")" ]; then
-    echo "Unexpected output"
-    exit 1
-  fi
-fi
\ No newline at end of file