1140 - fix based on review comments

Author: rbhojan

extensions/httpclient/src/test/groovy/com/stormpath/sdk/client/DirectoryIT.groovy

@@ -29,11 +29,7 @@ import com.stormpath.sdk.mail.EmailStatus
 import com.stormpath.sdk.organization.Organization
 import com.stormpath.sdk.organization.OrganizationStatus
 import com.stormpath.sdk.organization.Organizations
-import com.stormpath.sdk.provider.FacebookProvider
-import com.stormpath.sdk.provider.GithubProvider
-import com.stormpath.sdk.provider.GoogleProvider
-import com.stormpath.sdk.provider.LinkedInProvider
-import com.stormpath.sdk.provider.Providers
+import com.stormpath.sdk.provider.*
 import com.stormpath.sdk.provider.saml.SamlProvider
 import com.stormpath.sdk.provider.social.SocialUserInfoMappingRules
 import com.stormpath.sdk.provider.social.UserInfoMappingRule
@@ -47,9 +43,7 @@ import org.testng.annotations.Test
 import java.lang.reflect.Field
 import java.util.concurrent.TimeUnit
 
-import static org.testng.Assert.assertNull
-import static org.testng.Assert.assertTrue
-import static org.testng.Assert.fail
+import static org.testng.Assert.*
 
 /**
  *