test: Add another ff use case

Create ff in one task pod and read it in another task pod.

Signed-off-by: JiaWei Jiang <waynechuang97@gmail.com>

tests/flytekit/integration/remote/workflows/basic/flytefile.py

@@ -3,16 +3,36 @@
 
 
 @task
-def open_ff_from_remote(remote_file_path: str) -> FlyteFile:
-    """Open FlyteFile from a remote file path.
+def create_ff(file_path: str) -> FlyteFile:
+    """Create a FlyteFile."""
+    return FlyteFile(path=file_path)
+
+
+@task
+def read_ff(ff: FlyteFile) -> None:
+    """Read input FlyteFile.
+
+    This can be used in the case in which a FlyteFile is created
+    in another task pod and read in this task pod.
+    """
+    with open(ff, "r") as f:
+        content = f.read()
+        print(f"FILE CONTENT | {content}")
+
+
+@task
+def create_and_read_ff(file_path: str) -> FlyteFile:
+    """Create a FlyteFile and read it.
+
+    Both FlyteFile creation and reading are done in this task pod.
 
     Args:
-        remote_file_path: Remote file path.
+        file_path: File path.
 
     Returns:
         ff: FlyteFile object.
     """
-    ff = FlyteFile(path=remote_file_path)
+    ff = FlyteFile(path=file_path)
     with open(ff, "r") as f:
         content = f.read()
         print(f"FILE CONTENT | {content}")
@@ -22,7 +42,10 @@ def open_ff_from_remote(remote_file_path: str) -> FlyteFile:
 
 @workflow
 def wf(remote_file_path: str) -> None:
-    remote_ff = open_ff_from_remote(remote_file_path=remote_file_path)
+    ff_1 = create_ff(file_path=remote_file_path)
+    read_ff(ff=ff_1)
+    ff_2 = create_and_read_ff(file_path=remote_file_path)
+    read_ff(ff=ff_2)
 
 
 if __name__ == "__main__":