SWDEV-515261 - Fixed getMatchingConfigFile for heterogeneous archs (#54)

Preserve order and duplicate entries in rocm_agent_enumerator output
before filtering visible devices. This ensures alignment with
the expected indexing in HIP_VISIBLE_DEVICES.

catch/hipTestMain/hip_test_context.cc

@@ -37,7 +37,8 @@ std::string TestContext::substringFound(std::vector<std::string> list, std::stri
 
 std::string TestContext::getCurrentArch() {
 #if HT_LINUX
-  const char* cmd = "/opt/rocm/bin/rocm_agent_enumerator | sort -u | xargs | sed -e 's/ /;/g'";
+  const char* cmd =
+      "/opt/rocm/bin/rocm_agent_enumerator | awk '$0 != \"gfx000\"' | xargs | sed -e 's/ /;/g'";
   std::array<char, 1024> buffer;
   std::string result;
   std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd, "r"), pclose);
@@ -50,12 +51,6 @@ std::string TestContext::getCurrentArch() {
     result = res;
   }
 
-  result.erase(std::remove(result.begin(), result.end(), '\n'), result.end());
-  size_t pos = result.find("gfx000");
-  if (pos != std::string::npos) {
-    result.erase(pos, 7);
-  }
-
   std::string s_visible_devices = TestContext::getEnvVar("HIP_VISIBLE_DEVICES");
 
   auto parser = [](std::string input, char c) -> std::vector<std::string> {