added set-debug tests

src/pester-tests/Test-Set-PSDebug.Tests.ps1

@@ -0,0 +1,31 @@
+Describe "Test-Set-PSDebug" {
+    # Because it is running through pester, no functions need to be called.  Pester should provide plenty
+    # of output.
+    It "Should be able to be called without error" {
+        { Set-PSDebug -Trace 0 } | Should Not Throw
+    }
+
+    It "Should be able to be turned off without error" {
+        { Set-PSDebug -Off } | Should Not Throw
+    }
+
+    Context "Validate functionality" {
+        BeforeEach {
+            Set-PSDebug -Off
+        }
+
+        It "Should be able to go through the tracing options" {
+            { Set-PSDebug -Trace 0 } | Should Not Throw
+            { Set-PSDebug -Trace 1 } | Should Not Throw
+            { Set-PSDebug -Trace 2 } | Should Not Throw
+        }
+
+        It "Should be able to set strict" {
+            { Set-PSDebug -Strict } | Should Not Throw
+        }
+    }
+
+    # final cleanup
+
+    Set-PSDebug -Off
+}