Add tests for Loader Driver interaction conformance for Sysman VF Management API's

Related-To: NEO-15334

Signed-off-by: Vishnu Khanth <vishnu.khanth.b@intel.com>

Author: vishnu-khanth

scripts/templates/nullddi.cpp.mako

@@ -94,8 +94,7 @@ namespace driver
         }
         %if not fname.endswith("DriverGet") and not re.match("Init", obj['name']):
 
-        char *env_str = strdup_safe((std::string("${fname}=") + std::to_string(ZEL_NULL_DRIVER_ID)).c_str());
-        putenv_safe(env_str);
+        char *env_str = context.setenv_var_with_driver_id("${fname}", ZEL_NULL_DRIVER_ID);
         context.env_vars.push_back(env_str);
         %endif
 

source/drivers/null/ze_null.cpp

@@ -630,6 +630,14 @@ namespace driver
         pSysman.version = ZE_API_VERSION_CURRENT;
     }
 
+    char *context_t::setenv_var_with_driver_id(const std::string &key, uint32_t driverId)
+    {
+        std::string env = key + "=" + std::to_string(driverId);
+        char *env_str = strdup_safe(env.c_str());
+        putenv_safe(env_str);
+        return env_str;
+    }
+
     context_t::~context_t()
     {
         for (auto handle : globalBaseNullHandle)

source/drivers/null/ze_null.h

@@ -57,6 +57,8 @@ namespace driver
                 return reinterpret_cast<void*>( ++count );
             }
         }
+
+	char *setenv_var_with_driver_id(const std::string &key, uint32_t driverId);
     };
 
     extern context_t context;