[MINOR] test: fix static field initialized before TempDir field injec…

…ted (#707)

### What changes were proposed in this pull request?
fix UTs

### Why are the changes needed?
Makes integration tests passed on local machines

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Manually verified.

integration-test/common/src/test/java/org/apache/uniffle/test/DiskErrorToleranceTest.java

@@ -56,14 +56,15 @@
 public class DiskErrorToleranceTest extends ShuffleReadWriteBase {
   private ShuffleServerGrpcClient shuffleServerClient;
 
-  @TempDir private static File serverTmpDir;
-  private static File data1 = new File(serverTmpDir, "data1");
-  private static File data2 = new File(serverTmpDir, "data2");
+  private static File data1;
+  private static File data2;
   private List<ShuffleServerInfo> shuffleServerInfo =
       Lists.newArrayList(new ShuffleServerInfo("127.0.0.1-20001", LOCALHOST, SHUFFLE_SERVER_PORT));
 
   @BeforeAll
-  public static void setupServers() throws Exception {
+  public static void setupServers(@TempDir File serverTmpDir) throws Exception {
+    data1 = new File(serverTmpDir, "data1");
+    data2 = new File(serverTmpDir, "data2");
     CoordinatorConf coordinatorConf = getCoordinatorConf();
     createCoordinatorServer(coordinatorConf);
     ShuffleServerConf shuffleServerConf = getShuffleServerConf();

integration-test/common/src/test/java/org/apache/uniffle/test/HealthCheckCoordinatorGrpcTest.java

@@ -46,12 +46,12 @@
 
 public class HealthCheckCoordinatorGrpcTest extends CoordinatorTestBase  {
 
-  @TempDir private static File serverTmpDir;
-  private static File tempDataFile = new File(serverTmpDir, "data");
+  private static File tempDataFile;
   private static int writeDataSize;
 
   @BeforeAll
-  public static void setupServers() throws Exception {
+  public static void setupServers(@TempDir File serverTmpDir) throws Exception {
+    tempDataFile = new File(serverTmpDir, "data");
     File data1 = new File(serverTmpDir, "data1");
     data1.mkdirs();
     File data2 = new File(serverTmpDir, "data2");