diff --git a/Sources/SwiftSyntaxMacrosTestSupport/Assertions.swift b/Sources/SwiftSyntaxMacrosTestSupport/Assertions.swift
index ffcb4d7e6a6..5d9d614273b 100644
--- a/Sources/SwiftSyntaxMacrosTestSupport/Assertions.swift
+++ b/Sources/SwiftSyntaxMacrosTestSupport/Assertions.swift
@@ -17,6 +17,9 @@ public import SwiftSyntaxMacroExpansion
 public import SwiftSyntaxMacros
 @_spi(XCTestFailureLocation) public import SwiftSyntaxMacrosGenericTestSupport
 private import XCTest
+#if canImport(Testing)
+private import Testing
+#endif
 #else
 import SwiftIfConfig
 import SwiftSyntax
@@ -34,6 +37,10 @@ public typealias DiagnosticSpec = SwiftSyntaxMacrosGenericTestSupport.Diagnostic
 /// Assert that expanding the given macros in the original source produces
 /// the given expanded source code.
 ///
+/// - Warning: If you call this function inside a Swift Testing test case,
+/// the test will report no assertion failures even if the test fails.
+/// Use ``expectMacroExpansion(_:expandedSource:diagnostics:macroSpecs:applyFixIts:fixedSource:testModuleName:testFileName:indentationWidth:buildConfiguration:fileID:file:line:column:)`` instead.
+///
 /// - Parameters:
 ///   - originalSource: The original source code, which is expected to contain
 ///     macros in various places (e.g., `#stringify(x + y)`).
@@ -61,8 +68,10 @@ public func assertMacroExpansion(
   testFileName: String = "test.swift",
   indentationWidth: Trivia = .spaces(4),
   buildConfiguration: (any BuildConfiguration)? = nil,
+  fileID: StaticString = #fileID,
   file: StaticString = #filePath,
-  line: UInt = #line
+  line: UInt = #line,
+  column: UInt = #column
 ) {
   let specs = macros.mapValues { MacroSpec(type: $0) }
   assertMacroExpansion(
@@ -76,14 +85,20 @@ public func assertMacroExpansion(
     testFileName: testFileName,
     indentationWidth: indentationWidth,
     buildConfiguration: buildConfiguration,
+    fileID: fileID,
     file: file,
-    line: line
+    line: line,
+    column: column
   )
 }
 
 /// Assert that expanding the given macros in the original source produces
 /// the given expanded source code.
 ///
+/// - Warning: If you call this function inside a Swift Testing test case,
+/// the test will report no assertion failures even if the test fails.
+/// Use ``expectMacroExpansion(_:expandedSource:diagnostics:macroSpecs:applyFixIts:fixedSource:testModuleName:testFileName:indentationWidth:buildConfiguration:fileID:file:line:column:)`` instead.
+///
 /// - Parameters:
 ///   - originalSource: The original source code, which is expected to contain
 ///     macros in various places (e.g., `#stringify(x + y)`).
@@ -110,8 +125,10 @@ public func assertMacroExpansion(
   testFileName: String = "test.swift",
   indentationWidth: Trivia = .spaces(4),
   buildConfiguration: (any BuildConfiguration)? = nil,
+  fileID: StaticString = #fileID,
   file: StaticString = #filePath,
-  line: UInt = #line
+  line: UInt = #line,
+  column: UInt = #column
 ) {
   SwiftSyntaxMacrosGenericTestSupport.assertMacroExpansion(
     originalSource,
@@ -126,6 +143,17 @@ public func assertMacroExpansion(
     buildConfiguration: buildConfiguration,
     failureHandler: {
       XCTFail($0.message, file: $0.location.staticFilePath, line: $0.location.unsignedLine)
+      #if(canImport(Testing))
+      Issue.record(
+        Comment(rawValue: $0.message),
+        sourceLocation: .init(
+          fileID: fileID.description,
+          filePath: file.description,
+          line: Int(line),
+          column: Int(column)
+        )
+      )
+      #endif
     },
     fileID: "",  // Not used in the failure handler
     filePath: file,
diff --git a/Tests/SwiftSyntaxMacroExpansionTest/AccessorMacroTests.swift b/Tests/SwiftSyntaxMacroExpansionTest/AccessorMacroTests.swift
index 3560cca6174..ebae5041784 100644
--- a/Tests/SwiftSyntaxMacroExpansionTest/AccessorMacroTests.swift
+++ b/Tests/SwiftSyntaxMacroExpansionTest/AccessorMacroTests.swift
@@ -25,7 +25,7 @@ import SwiftSyntaxMacros
 import SwiftSyntaxMacrosTestSupport
 import XCTest
 
-private struct ConstantOneGetter: AccessorMacro {
+struct ConstantOneGetter: AccessorMacro {
   static func expansion(
     of node: AttributeSyntax,
     providingAccessorsOf declaration: some DeclSyntaxProtocol,
diff --git a/Tests/SwiftSyntaxMacroExpansionTest/SwiftTestingTests.swift b/Tests/SwiftSyntaxMacroExpansionTest/SwiftTestingTests.swift
new file mode 100644
index 00000000000..6c048722bb8
--- /dev/null
+++ b/Tests/SwiftSyntaxMacroExpansionTest/SwiftTestingTests.swift
@@ -0,0 +1,61 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2023 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+#if canImport(Testing)
+import Testing
+import SwiftSyntaxMacrosTestSupport
+
+@Suite("Swift Testing Macro Expansion Tests")
+struct SwiftTestingMacroExpansionTests {
+  @Test("Test Happy Path")
+  func testHappyPathWorks() {
+    assertMacroExpansion(
+      """
+      @constantOne
+      var x: Int /*1*/ // hello
+      """,
+      expandedSource: """
+        var x: Int { /*1*/ // hello
+          get {
+            return 1
+          }
+        }
+        """,
+      macros: ["constantOne": ConstantOneGetter.self],
+      indentationWidth: .spaces(2)
+    )
+  }
+
+  @Test("Test Failure")
+  func failureReportedCorrectly() {
+    withKnownIssue {
+      assertMacroExpansion(
+        """
+        @constantOne
+        var x: Int /*1*/ // hello
+        """,
+        expandedSource: """
+          var x: Int { /*1*/ // hello
+            get {
+              return 1
+            }
+          }
+          """,
+        macros: ["constantOne": ConstantOneGetter.self],
+        indentationWidth: .spaces(4)
+      )
+    } matching: { issue in
+      issue.description.contains("Macro expansion did not produce the expected expanded source")
+    }
+  }
+}
+#endif