Revert to original error messages for backwards compatibility

Author: vearutop

src/Schema.php

@@ -305,7 +305,8 @@ private function processNot($data, Context $options, $path)
             // Expected exception
         }
         if ($exception === false) {
-            $this->fail((new LogicException('Not ' . json_encode($this->not) . ' expected'))->withData($data), $path . '->not');
+            $this->fail((new LogicException('Not ' . json_encode($this->not) . ' expected, ' . json_encode($data) . ' received'))
+                ->withData($data), $path . '->not');
         }
     }
 

tests/src/PHPUnit/Error/ErrorTest.php

@@ -235,10 +235,10 @@ public function testNoSubErrors()
         try {
             $schema->in('abc');
         } catch (InvalidValue $exception) {
-            $this->assertSame('Not {"type":"string"} expected at #->not', $exception->getMessage());
+            $this->assertSame('Not {"type":"string"} expected, "abc" received at #->not', $exception->getMessage());
 
             $error = $exception->inspect();
-            $this->assertSame('Not {"type":"string"} expected', $error->error);
+            $this->assertSame('Not {"type":"string"} expected, "abc" received', $error->error);
         }
     }