integ-cli: Typo fix in test_vars_* comments.

Signed-off-by: Ahmet Alp Balkan <ahmetb@microsoft.com>

integration-cli/test_vars_unix.go

@@ -3,6 +3,6 @@
 package main
 
 const (
-	// idetifies if test suite is running on a unix platform
+	// identifies if test suite is running on a unix platform
 	isUnixCli = true
 )

integration-cli/test_vars_windows.go

@@ -3,6 +3,6 @@
 package main
 
 const (
-	// idetifies if test suite is running on a unix platform
+	// identifies if test suite is running on a unix platform
 	isUnixCli = false
 )