Added pester test for Get-Event

src/pester-tests/Get-Event.Tests.ps1

@@ -0,0 +1,33 @@
+Describe "Get-Event" {
+
+    BeforeEach {
+        ( New-Event -SourceIdentifier PesterTestEvent -sender windows.timer -messagedata "PesterTestMessage" )
+     }
+
+    AfterEach {
+        ( Remove-Event -SourceIdentifier PesterTestEvent -ErrorAction SilentlyContinue )
+    }
+    
+    Context "Check return type of Get-Event" {
+	
+        It "Should return PSEventArgs as return type of Get-Event" {	    
+            { ( Get-Event -SourceIdentifier PesterTestEvent ).GetType() | Should Be System.Management.Automation.PSEventArgs }
+	}
+    }
+
+    Context "Validate Get-Event can retrieve event" {
+
+	It "Should return at least 1 event" {
+	    { (Get-Event).Count | Should BeGreaterThan 0 }
+	}
+	
+	It "Should return PesterTestMessage as the MessageData" {
+	    { (Get-Event -SourceIdentifier PesterTimer).MessageData  | Should Be "PesterTestMessage" }
+	}
+
+        It "Should return Sender as windows.timer" {
+	     { (Get-Event -SourceIdentifier PesterTimer).Sender  | Should be windows.timer }
+	}
+    
+    }
+}