handle possible silent failures

phpstan.neon

@@ -5,3 +5,4 @@ parameters:
         - tests
 includes:
     - vendor/phpstan/phpstan-strict-rules/rules.neon
+    - vendor/thecodingmachine/phpstan-safe-rule/phpstan-safe-rule.neon

src/ChannelFake.php

@@ -161,13 +161,13 @@ public function assertCurrentContext(Closure|array $context, ?string $message =
         if ($context instanceof Closure) {
             PHPUnit::assertTrue(
                 (bool) $context($this->currentContext()), /** @phpstan-ignore-line */
-                $message ?? 'Unexpected context found in the [' . $this->name . '] channel. Found [' . json_encode((object) $this->currentContext()) . '].'
+                $message ?? 'Unexpected context found in the [' . $this->name . '] channel. Found [' . json_encode((object) $this->currentContext(), JSON_THROW_ON_ERROR) . '].'
             );
         } else {
             PHPUnit::assertSame(
                 $context,
                 $this->currentContext(),
-                'Expected to find the context [' . json_encode($context, JSON_THROW_ON_ERROR) . '] in the [' . $this->name . '] channel. Found [' . json_encode((object) $this->currentContext()) . '] instead.'
+                'Expected to find the context [' . json_encode($context, JSON_THROW_ON_ERROR) . '] in the [' . $this->name . '] channel. Found [' . json_encode((object) $this->currentContext(), JSON_THROW_ON_ERROR) . '] instead.'
             );
         }
 

src/LogFake.php

@@ -89,7 +89,7 @@ public function assertChannelIsCurrentlyForgotten(string $name, ?string $message
     public function build(array $config): ChannelFake
     {
         return $this->driver(
-            'ondemand::'.json_encode((object) $config)
+            'ondemand::'.json_encode((object) $config, JSON_THROW_ON_ERROR)
         )->clearContext();
     }