@@ -56,10 +56,14 @@
 
 - (void)outputTesting: (OFString *)test inModule: (OFString *)module;
 - (void)outputSuccess: (OFString *)test inModule: (OFString *)module;
 - (void)outputFailure: (OFString *)test inModule: (OFString *)module;
 @end
+
+@interface TestsAppDelegate (OF4x4MatrixTests)
+- (void)_4x4MatrixTests;
+@end
 
 @interface TestsAppDelegate (OFArrayTests)
 - (void)arrayTests;
 @end