Disable http_proxy_with_credentials test on non-windows. TODO: reenable

Author: ras0219-msft

Release/tests/functional/http/client/proxy_tests.cpp

@@ -90,7 +90,7 @@ TEST_FIXTURE(uri_address, no_proxy_options_on_winrt)
 
 #ifndef __cplusplus_winrt
 // Can't specify a proxy with WinRT implementation.
-TEST_FIXTURE(uri_address, http_proxy_with_credentials)
+ TEST_FIXTURE(uri_address, http_proxy_with_credentials, "Ignore:Linux", "Github 53", "Ignore:Apple", "Github 53", "Ignore:Android", "Github 53", "Ignore:IOS", "Github 53")
 {
     uri u(U("http://netproxy.redmond.corp.microsoft.com"));
 
@@ -169,4 +169,4 @@ TEST_FIXTURE(uri_address, https_proxy, "Ignore", "Manual")
 
 } // SUITE(proxy_tests)
 
-}}}}
+}}}}