diff --git a/test/test_assert_call.cmake b/test/test_assert_call.cmake
index f3bf0cd..6805679 100644
--- a/test/test_assert_call.cmake
+++ b/test/test_assert_call.cmake
@@ -2,51 +2,57 @@ cmake_minimum_required(VERSION 3.24)
 
 include(${CMAKE_CURRENT_LIST_DIR}/../cmake/Assertion.cmake)
 
-section("it should assert error messages")
-  assert_call(message FATAL_ERROR "an error message"
-    EXPECT_ERROR "an e...r message")
+function(throw_errors)
+  message(SEND_ERROR "a send error message")
+  message(FATAL_ERROR "a fatal error message")
+endfunction()
 
-  assert_call(message SEND_ERROR "an error message"
-    EXPECT_ERROR "an e...r message")
+section("it should assert error messages")
+  assert_call(throw_errors EXPECT_ERROR
+    "a se.*or message\n"
+    "a fa.*or message")
 
-  assert_call(
-    CALL message FATAL_ERROR "an error message"
-    EXPECT_ERROR "an e...r message")
+  assert_call(CALL throw_errors EXPECT_ERROR
+    "a se.*or message\n"
+    "a fa.*or message")
 
-  assert_call(message FATAL_ERROR "an error message"
-    EXPECT_ERROR MATCHES "an e...r message")
+  assert_call(throw_errors EXPECT_ERROR MATCHES
+    "a se.*or message\n"
+    "a fa.*or message")
 
-  assert_call(message FATAL_ERROR "an error message"
-    EXPECT_ERROR STREQUAL "an error message")
+  assert_call(throw_errors EXPECT_ERROR STREQUAL
+    "a send error message\n"
+    "a fatal error message")
 endsection()
 
 section("it should fail to assert error messages")
-  macro(failed_assertion)
-    assert_call(message FATAL_ERROR "an error message"
-      EXPECT_ERROR "an..... e...r message")
-  endmacro()
-
-  assert_call(failed_assertion
-    EXPECT_ERROR STREQUAL "expected error message:\n  an error message\n"
-      "to match:\n  an..... e...r message")
-
-  macro(failed_assertion)
-    assert_call(message SEND_ERROR "an error message"
-      EXPECT_ERROR MATCHES "an..... e...r message")
+  macro(assert_failures)
+    assert_call(throw_errors EXPECT_ERROR
+      "another se.*or message\n"
+      "another fa.*or message")
   endmacro()
 
-  assert_call(failed_assertion
-    EXPECT_ERROR STREQUAL "expected error message:\n  an error message\n"
-      "to match:\n  an..... e...r message")
+  assert_call(assert_failures EXPECT_ERROR STREQUAL
+    "expected error message:\n"
+    "  a send error message\n"
+    "  a fatal error message\n"
+    "to match:\n"
+    "  another se.*or message\n"
+    "  another fa.*or message")
 
-  macro(failed_assertion)
-    assert_call(message FATAL_ERROR "an error message"
-      EXPECT_ERROR STREQUAL "another error message")
+  macro(assert_failures)
+    assert_call(throw_errors EXPECT_ERROR
+      "another send error message\n"
+      "another fatal error message")
   endmacro()
 
-  assert_call(failed_assertion
-    EXPECT_ERROR STREQUAL "expected error message:\n  an error message\n"
-      "to be equal to:\n  another error message")
+  assert_call(assert_failures EXPECT_ERROR STREQUAL
+    "expected error message:\n"
+    "  a send error message\n"
+    "  a fatal error message\n"
+    "to match:\n"
+    "  another send error message\n"
+    "  another fatal error message")
 endsection()
 
 section("it should fail to assert error messages "
@@ -55,6 +61,6 @@ section("it should fail to assert error messages "
     assert_call(message "a message" EXPECT_ERROR "a message")
   endmacro()
 
-  assert_call(failed_assertion
-    EXPECT_ERROR "expected to receive an error message")
+  assert_call(failed_assertion EXPECT_ERROR
+    "expected to receive an error message")
 endsection()