test(datastore): use specific exception matching by name in E2E tests

Use ignoreExceptionsMatching with a helper that checks exception class names as strings. This avoids classloader compatibility issues that might prevent ignoreExceptionsInstanceOf from matching correctly, while still keeping the ignored exceptions list specific.

TAG=agy
CONV=c8697e3d-c06b-4d5b-86e9-f8950e4298fd

Author: lqiu96

java-datastore/google-cloud-datastore/src/test/java/com/google/cloud/datastore/it/ITE2ETracingTest.java

@@ -461,7 +461,7 @@ protected void fetchAndValidateTrace(
       await()
           .atMost(Duration.ofMillis((long) GET_TRACE_RETRY_COUNT * GET_TRACE_RETRY_BACKOFF_MILLIS))
           .pollInterval(Duration.ofMillis(GET_TRACE_RETRY_BACKOFF_MILLIS))
-          .ignoreExceptions()
+          .ignoreExceptionsMatching(ITE2ETracingTest::isIgnoredException)
           .until(
               () -> {
                 retrievedTrace = traceClient.getTrace(projectId, traceId);
@@ -541,7 +541,7 @@ public void traceContainerTest() throws Exception {
       await()
           .atMost(Duration.ofMillis((long) GET_TRACE_RETRY_COUNT * GET_TRACE_RETRY_BACKOFF_MILLIS))
           .pollInterval(Duration.ofMillis(GET_TRACE_RETRY_BACKOFF_MILLIS))
-          .ignoreExceptions()
+          .ignoreExceptionsMatching(ITE2ETracingTest::isIgnoredException)
           .until(
               () -> {
                 Trace trace = traceClient.getTrace(projectId, customSpanContext.getTraceId());
@@ -1025,4 +1025,12 @@ public void runInTransactionQueryTest() throws Exception {
             Arrays.asList(SPAN_NAME_TRANSACTION_RUN, SPAN_NAME_TRANSACTION_RUN_QUERY),
             Arrays.asList(SPAN_NAME_TRANSACTION_RUN, SPAN_NAME_TRANSACTION_COMMIT)));
   }
+
+  private static boolean isIgnoredException(Throwable e) {
+    String name = e.getClass().getName();
+    return name.equals("com.google.api.gax.rpc.NotFoundException")
+        || name.equals("io.grpc.StatusRuntimeException")
+        || name.equals("com.google.api.gax.rpc.DeadlineExceededException")
+        || name.equals("java.lang.IndexOutOfBoundsException");
+  }
 }