diff --git a/tests/fixtures.py b/tests/fixtures.py
index 0f70a9ab..eec1012e 100644
--- a/tests/fixtures.py
+++ b/tests/fixtures.py
@@ -630,7 +630,7 @@ DYNAMIC_FEATURE_PRESENCE_TESTS = sorted(
         ("0000a657", "process=(2852:3052),thread=2804", capa.features.insn.Number(0x000000EC), True),
         ("0000a657", "process=(2852:3052),thread=2804", capa.features.insn.Number(110173), False),
         # thread/string call argument
-        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("NtQuerySystemInformation"), True),
+        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("SetThreadUILanguage"), True),
         ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("nope"), False),
     ],
     # order tests by (file, item)
@@ -657,7 +657,7 @@ DYNAMIC_FEATURE_COUNT_TESTS = sorted(
             "0000a657",
             "process=(1180:3052)",
             capa.features.common.String("C:\\Users\\comp\\AppData\\Roaming\\Microsoft\\Jxoqwnx\\jxoqwn.exe"),
-            1,
+            2,
         ),
         ("0000a657", "process=(1180:3052)", capa.features.common.String("nope"), 0),
         # thread/api calls
@@ -667,8 +667,8 @@ DYNAMIC_FEATURE_COUNT_TESTS = sorted(
         ("0000a657", "process=(2852:3052),thread=2804", capa.features.insn.Number(0x000000EC), 1),
         ("0000a657", "process=(2852:3052),thread=2804", capa.features.insn.Number(110173), 0),
         # thread/string call argument
-        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("NtQuerySystemInformation"), True),
-        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("nope"), False),
+        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("SetThreadUILanguage"), 1),
+        ("0000a657", "process=(2852:3052),thread=2804", capa.features.common.String("nope"), 0),
     ],
     # order tests by (file, item)
     # so that our LRU cache is most effective.