Hopefully improve message

Author: sebastianbergmann

src/Framework/MockObject/InvocationHandler.php

@@ -181,7 +181,7 @@ private function findMatcher(Invocation $invocation): ?Matcher
         if (\count($result) > 1) {
             throw new RuntimeException(
                 \sprintf(
-                    'Non unique mocked method invocation: %s::%s',
+                    'More than one invocation handler has been configured for %s::%s()',
                     $invocation->getClassName(),
                     $invocation->getMethodName()
                 )

tests/unit/Framework/MockObject/InvocationHandlerTest.php

@@ -53,7 +53,7 @@ public function testNonUniqueMatchThrowsException(): void
             ->willReturn('result');
 
         $this->expectException(RuntimeException::class);
-        $this->expectExceptionMessage('Non unique mocked method invocation: stdClass::foo');
+        $this->expectExceptionMessage('More than one invocation handler has been configured for stdClass::foo()');
 
         $mock->foo();
     }