Cleaned up VehiclePropertyIdsTest file. #codehealth

Test: atest VehiclePropertyIdsTest
Bug: 192514521
Change-Id: Ia9b7ea356c8023e1f5d54c0ebe2aa6c296ae69e8
diff --git a/tests/tests/car/src/android/car/cts/VehiclePropertyIdsTest.java b/tests/tests/car/src/android/car/cts/VehiclePropertyIdsTest.java
index 49fa9dd..4d00ea9 100644
--- a/tests/tests/car/src/android/car/cts/VehiclePropertyIdsTest.java
+++ b/tests/tests/car/src/android/car/cts/VehiclePropertyIdsTest.java
@@ -18,7 +18,6 @@
 
 import static com.google.common.truth.Truth.assertThat;
 
-import android.car.VehicleGear;
 import android.car.VehiclePropertyIds;
 import android.platform.test.annotations.RequiresDevice;
 import android.test.suitebuilder.annotation.SmallTest;
@@ -39,6 +38,22 @@
 public class VehiclePropertyIdsTest {
     private static final String TAG = "VehiclePropertyIdsTest";
 
+    // Get all enums from the class.
+    private static List<Integer> getIntegersFromDataEnums() {
+        Field[] fields = VehiclePropertyIds.class.getDeclaredFields();
+        List<Integer> integerList = new ArrayList<>(5);
+        for (Field f : fields) {
+            if (f.getType() == int.class) {
+                try {
+                    integerList.add(f.getInt(VehiclePropertyIds.class));
+                } catch (IllegalAccessException | RuntimeException e) {
+                    Log.w(TAG, "Failed to get value");
+                }
+            }
+        }
+        return integerList;
+    }
+
     /**
      * Test for {@link VehiclePropertyIds#toString()}
      */
@@ -316,26 +331,10 @@
      */
     @Test
     public void testAllPropertiesAreMappedInToString() {
-        List<Integer> systemProperties = getIntegersFromDataEnums(
-                new VehiclePropertyIds().getClass());
+        List<Integer> systemProperties = getIntegersFromDataEnums();
         for (int propertyId : systemProperties) {
             String propertyString = VehiclePropertyIds.toString(propertyId);
             assertThat(propertyString.startsWith("0x")).isFalse();
         }
     }
-    // Get all enums from the class.
-    private static List<Integer> getIntegersFromDataEnums(Class clazz) {
-        Field[] fields = clazz.getDeclaredFields();
-        List<Integer> integerList = new ArrayList<>(5);
-        for (Field f : fields) {
-            if (f.getType() == int.class) {
-                try {
-                    integerList.add(f.getInt(clazz));
-                } catch (IllegalAccessException | RuntimeException e) {
-                    Log.w(TAG, "Failed to get value");
-                }
-            }
-        }
-        return integerList;
-    }
 }