diff --git a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
index b99b914d4435..e85febfa31c8 100644
--- a/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
+++ b/google-cloud-clients/google-cloud-contrib/google-cloud-nio/src/test/java/com/google/cloud/storage/contrib/nio/it/ITGcsNio.java
@@ -62,7 +62,6 @@
 import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.BeforeClass;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -157,7 +156,6 @@ private static void fillRequesterPaysFile(Storage storage, String fname, int siz
   }
 
   // Start of tests related to the "requester pays" feature
-  @Ignore("blocked by #3448")
   @Test
   public void testFileExistsRequesterPaysNoUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
@@ -187,16 +185,15 @@ public void testFileExistsRequesterPaysWithAutodetect() throws IOException {
     Files.exists(path);
   }
 
-  @Ignore("blocked by #3448")
   @Test
   public void testCantCreateWithoutUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
-    Path path = testBucket.getPath(SML_FILE);
+    Path path = testBucket.getPath(TMP_FILE);
     try {
       // fails
       Files.write(path, "I would like to write".getBytes());
       Assert.fail("It should have thrown an exception.");
-    } catch (StorageException ex) {
+    } catch (IOException ex) {
       assertIsRequesterPaysException("testCantCreateWithoutUserProject", ex);
     }
   }
@@ -209,7 +206,6 @@ public void testCanCreateWithUserProject() throws IOException {
     Files.write(path, "I would like to write, please?".getBytes());
   }
 
-  @Ignore("blocked by #3448")
   @Test
   public void testCantReadWithoutUserProject() throws IOException {
     CloudStorageFileSystem testBucket = getRequesterPaysBucket(false, "");
@@ -231,7 +227,6 @@ public void testCanReadWithUserProject() throws IOException {
     Files.readAllBytes(path);
   }
 
-  @Ignore("blocked by #3448")
   @Test
   public void testCantCopyWithoutUserProject() throws IOException {
     CloudStorageFileSystem testRPBucket = getRequesterPaysBucket(false, "");
@@ -324,6 +319,12 @@ private void assertIsRequesterPaysException(String message, StorageException ex)
         ex.getMessage().contains("Bucket is requester pays bucket but no user project provided"));
   }
 
+  private void assertIsRequesterPaysException(String message, IOException ioex) {
+    Assert.assertTrue(message, ioex.getMessage().startsWith("400"));
+    Assert.assertTrue(
+        message,
+        ioex.getMessage().contains("Bucket is requester pays bucket but no user project provided"));
+  }
   // End of tests related to the "requester pays" feature
 
   @Test