[TVMScript] Add test for TIR macro block name suffix handling (#18504)

## How

add missing tests for #18465

Author: guan404ming

tests/python/tvmscript/test_tvmscript_parser_tir.py

@@ -638,6 +638,38 @@ def expected() -> None:
     tvm.ir.assert_structural_equal(func, expected)
 
 
+def test_tir_macro_block_name_suffix():
+    @T.macro
+    def operation(A, idx):
+        with T.block("op"):
+            v = T.axis.remap("S", [idx])
+            A[v] = A[v] * T.float32(2)
+
+    @T.prim_func(private=True)
+    def func_w_macro(a: T.handle) -> None:
+        A = T.match_buffer(a, [10])
+        for i in T.serial(0, 10):
+            operation(A, i)
+            operation(A, i)
+            operation(A, i)
+
+    @T.prim_func(private=True)
+    def expected(a: T.handle) -> None:
+        A = T.match_buffer(a, [10])
+        for i in T.serial(0, 10):
+            with T.block("op"):
+                v = T.axis.remap("S", [i])
+                A[v] = A[v] * T.float32(2)
+            with T.block("op_1"):
+                v = T.axis.remap("S", [i])
+                A[v] = A[v] * T.float32(2)
+            with T.block("op_2"):
+                v = T.axis.remap("S", [i])
+                A[v] = A[v] * T.float32(2)
+
+    tvm.ir.assert_structural_equal(func_w_macro, expected)
+
+
 def test_ifexp():
     @T.prim_func(private=True)
     def func(A: T.buffer((128, 128), "float32")):