Revert "Fix backward loop condition in tests"

This reverts commit f0ecb5a.

Author: charles-lunarg

tests/loader_version_tests.cpp

@@ -994,24 +994,20 @@ void CheckDirectDriverLoading(FrameworkEnvironment& env, std::vector<DriverInfo>
     // We have to iterate through the driver lists backwards because the loader *prepends* icd's, so the last found ICD is found
     // first in the driver list
     uint32_t driver_index = 0;
-    if (!normal_drivers.empty()) {
-        for (int i = normal_drivers.size() - 1; i >= 0; i--) {
-            if (!exclusive && normal_drivers.at(i).expect_to_find) {
-                VkPhysicalDeviceProperties props{};
-                inst.functions->vkGetPhysicalDeviceProperties(phys_devs.at(driver_index), &props);
-                ASSERT_EQ(props.driverVersion, normal_drivers.at(i).driver_version);
-                driver_index++;
-            }
+    for (size_t i = normal_drivers.size() - 1; i == 0; i--) {
+        if (normal_drivers.at(i).expect_to_find) {
+            VkPhysicalDeviceProperties props{};
+            inst.functions->vkGetPhysicalDeviceProperties(phys_devs.at(driver_index), &props);
+            ASSERT_EQ(props.driverVersion, normal_drivers.at(i).driver_version);
+            driver_index++;
         }
     }
-    if (!direct_drivers.empty()) {
-        for (int i = direct_drivers.size() - 1; i >= 0; i--) {
-            if (direct_drivers.at(i).expect_to_find) {
-                VkPhysicalDeviceProperties props{};
-                inst.functions->vkGetPhysicalDeviceProperties(phys_devs.at(driver_index), &props);
-                ASSERT_EQ(props.driverVersion, direct_drivers.at(i).driver_version);
-                driver_index++;
-            }
+    for (size_t i = direct_drivers.size() - 1; i == 0; i--) {
+        if (direct_drivers.at(i).expect_to_find) {
+            VkPhysicalDeviceProperties props{};
+            inst.functions->vkGetPhysicalDeviceProperties(phys_devs.at(driver_index), &props);
+            ASSERT_EQ(props.driverVersion, direct_drivers.at(i).driver_version);
+            driver_index++;
         }
     }
 }