diff --git a/tests/test_arraycreation.py b/tests/test_arraycreation.py
index d84f6db1a8b..6f9e7ee5d25 100644
--- a/tests/test_arraycreation.py
+++ b/tests/test_arraycreation.py
@@ -269,14 +269,25 @@ def test_tri_default_dtype():
 
 @pytest.mark.parametrize(
     "k",
-    [-6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6],
-    ids=["-6", "-5", "-4", "-3", "-2", "-1", "0", "1", "2", "3", "4", "5", "6"],
+    [-3, -2, -1, 0, 1, 2, 3, 4, 5, numpy.array(1), dpnp.array(2), dpt.asarray(3)],
+    ids=[
+        "-3",
+        "-2",
+        "-1",
+        "0",
+        "1",
+        "2",
+        "3",
+        "4",
+        "5",
+        "np.array(1)",
+        "dpnp.array(2)",
+        "dpt.asarray(3)",
+    ],
 )
 @pytest.mark.parametrize(
     "m",
     [
-        [0, 1, 2, 3, 4],
-        [1, 1, 1, 1, 1],
         [[0, 0], [0, 0]],
         [[1, 2], [1, 2]],
         [[1, 2], [3, 4]],
@@ -284,8 +295,6 @@ def test_tri_default_dtype():
         [[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]],
     ],
     ids=[
-        "[0, 1, 2, 3, 4]",
-        "[1, 1, 1, 1, 1]",
         "[[0, 0], [0, 0]]",
         "[[1, 2], [1, 2]]",
         "[[1, 2], [3, 4]]",
@@ -293,8 +302,10 @@ def test_tri_default_dtype():
         "[[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]]",
     ],
 )
-def test_tril(m, k):
-    a = numpy.array(m)
+@pytest.mark.usefixtures("allow_fall_back_on_numpy")
+@pytest.mark.parametrize("dtype", get_all_dtypes(no_float16=False))
+def test_tril(m, k, dtype):
+    a = numpy.array(m, dtype=dtype)
     ia = dpnp.array(a)
     expected = numpy.tril(a, k=k)
     result = dpnp.tril(ia, k=k)
@@ -303,26 +314,39 @@ def test_tril(m, k):
 
 @pytest.mark.parametrize(
     "k",
-    [-4, -3, -2, -1, 0, 1, 2, 3, 4],
-    ids=["-4", "-3", "-2", "-1", "0", "1", "2", "3", "4"],
+    [-3, -2, -1, 0, 1, 2, 3, 4, 5, numpy.array(1), dpnp.array(2), dpt.asarray(3)],
+    ids=[
+        "-3",
+        "-2",
+        "-1",
+        "0",
+        "1",
+        "2",
+        "3",
+        "4",
+        "5",
+        "np.array(1)",
+        "dpnp.array(2)",
+        "dpt.asarray(3)",
+    ],
 )
 @pytest.mark.parametrize(
     "m",
     [
-        [0, 1, 2, 3, 4],
         [[1, 2], [3, 4]],
         [[0, 1, 2], [3, 4, 5], [6, 7, 8]],
         [[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]],
     ],
     ids=[
-        "[0, 1, 2, 3, 4]",
         "[[1, 2], [3, 4]]",
         "[[0, 1, 2], [3, 4, 5], [6, 7, 8]]",
         "[[0, 1, 2, 3, 4], [5, 6, 7, 8, 9]]",
     ],
 )
-def test_triu(m, k):
-    a = numpy.array(m)
+@pytest.mark.usefixtures("allow_fall_back_on_numpy")
+@pytest.mark.parametrize("dtype", get_all_dtypes(no_float16=False))
+def test_triu(m, k, dtype):
+    a = numpy.array(m, dtype=dtype)
     ia = dpnp.array(a)
     expected = numpy.triu(a, k=k)
     result = dpnp.triu(ia, k=k)