diff --git a/tests/python/all-platform-minimal-test/test_minimal_target_codegen_llvm.py b/tests/python/all-platform-minimal-test/test_minimal_target_codegen_llvm.py
index 82da49e41096..bc3ae64b46c1 100644
--- a/tests/python/all-platform-minimal-test/test_minimal_target_codegen_llvm.py
+++ b/tests/python/all-platform-minimal-test/test_minimal_target_codegen_llvm.py
@@ -20,7 +20,7 @@
 import tvm.testing
 from tvm import te
 from tvm import topi
-from tvm.contrib import utils, clang
+from tvm.contrib import utils
 import numpy as np
 import ctypes
 import math
@@ -65,43 +65,3 @@ def check_llvm():
         tvm.testing.assert_allclose(c.numpy(), a.numpy() + b.numpy())
 
     check_llvm()
-
-
-@tvm.testing.requires_llvm
-def test_llvm_import():
-    """all-platform-minimal-test: check shell dependent clang behavior."""
-    # extern "C" is necessary to get the correct signature
-    cc_code = """
-    extern "C" float my_add(float x, float y) {
-      return x + y;
-    }
-    """
-    n = 10
-    A = te.placeholder((n,), name="A")
-    B = te.compute(
-        (n,), lambda *i: tvm.tir.call_pure_extern("float32", "my_add", A(*i), 1.0), name="B"
-    )
-
-    def check_llvm(use_file):
-        if not clang.find_clang(required=False):
-            print("skip because clang is not available")
-            return
-        temp = utils.tempdir()
-        ll_path = temp.relpath("temp.ll")
-        ll_code = clang.create_llvm(cc_code, output=ll_path)
-        s = te.create_schedule(B.op)
-        if use_file:
-            s[B].pragma(s[B].op.axis[0], "import_llvm", ll_path)
-        else:
-            s[B].pragma(s[B].op.axis[0], "import_llvm", ll_code)
-        # BUILD and invoke the kernel.
-        f = tvm.build(s, [A, B], "llvm")
-        dev = tvm.cpu(0)
-        # launch the kernel.
-        a = tvm.nd.array(np.random.uniform(size=n).astype(A.dtype), dev)
-        b = tvm.nd.array(np.random.uniform(size=n).astype(B.dtype), dev)
-        f(a, b)
-        tvm.testing.assert_allclose(b.numpy(), a.numpy() + 1.0)
-
-    check_llvm(use_file=True)
-    check_llvm(use_file=False)
diff --git a/tests/python/unittest/test_target_codegen_llvm.py b/tests/python/unittest/test_target_codegen_llvm.py
index e5e93ed2c940..8c8d601672ac 100644
--- a/tests/python/unittest/test_target_codegen_llvm.py
+++ b/tests/python/unittest/test_target_codegen_llvm.py
@@ -23,7 +23,7 @@
 import tvm.testing
 from tvm import te
 from tvm import topi
-from tvm.contrib import utils
+from tvm.contrib import utils, clang
 import numpy as np
 import ctypes
 import math
@@ -845,5 +845,45 @@ def make_call_extern(caller, callee):
     assert matches == sorted(matches)
 
 
+@tvm.testing.requires_llvm
+def test_llvm_import():
+    """all-platform-minimal-test: check shell dependent clang behavior."""
+    # extern "C" is necessary to get the correct signature
+    cc_code = """
+    extern "C" float my_add(float x, float y) {
+      return x + y;
+    }
+    """
+    n = 10
+    A = te.placeholder((n,), name="A")
+    B = te.compute(
+        (n,), lambda *i: tvm.tir.call_pure_extern("float32", "my_add", A(*i), 1.0), name="B"
+    )
+
+    def check_llvm(use_file):
+        if not clang.find_clang(required=False):
+            print("skip because clang is not available")
+            return
+        temp = utils.tempdir()
+        ll_path = temp.relpath("temp.ll")
+        ll_code = clang.create_llvm(cc_code, output=ll_path)
+        s = te.create_schedule(B.op)
+        if use_file:
+            s[B].pragma(s[B].op.axis[0], "import_llvm", ll_path)
+        else:
+            s[B].pragma(s[B].op.axis[0], "import_llvm", ll_code)
+        # BUILD and invoke the kernel.
+        f = tvm.build(s, [A, B], "llvm")
+        dev = tvm.cpu(0)
+        # launch the kernel.
+        a = tvm.nd.array(np.random.uniform(size=n).astype(A.dtype), dev)
+        b = tvm.nd.array(np.random.uniform(size=n).astype(B.dtype), dev)
+        f(a, b)
+        tvm.testing.assert_allclose(b.numpy(), a.numpy() + 1.0)
+
+    check_llvm(use_file=True)
+    check_llvm(use_file=False)
+
+
 if __name__ == "__main__":
     sys.exit(pytest.main([__file__] + sys.argv[1:]))