diff --git a/src/Lib/Configuration.php b/src/Lib/Configuration.php
index b8d6a516..a9f1166b 100644
--- a/src/Lib/Configuration.php
+++ b/src/Lib/Configuration.php
@@ -190,14 +190,12 @@ public function setYml(string $yml)
         }
 
         $path = $this->root . $yml;
-        if ((!file_exists($path) && !is_writable($path)) || !touch($path)) {
+        if (!file_exists($path)) {
             throw new InvalidArgumentException(
                 sprintf(
-                    "Invalid yml: `%s`. yml must exist on the file system. An attempt was made to create %s, but 
-                    permission was denied or the file path is bad. Either fix the file system permissions, create the 
-                    file and/or both. $message",
-                    $yml,
-                    $path
+                    'A YML file is required but none was found at "%s". See "%s" for a sample file.',
+                    $path,
+                    '$vendor/cnizzardini/cakephp-swagger-bake/assets/swagger.yml'
                 )
             );
         }
diff --git a/tests/TestCase/Lib/ConfigurationTest.php b/tests/TestCase/Lib/ConfigurationTest.php
index ed33f7df..f6356e3e 100644
--- a/tests/TestCase/Lib/ConfigurationTest.php
+++ b/tests/TestCase/Lib/ConfigurationTest.php
@@ -1,10 +1,11 @@
 <?php
+declare(strict_types=1);
 
 namespace SwaggerBake\Test\TestCase\Lib;
 
-use Cake\Core\Configure;
 use Cake\TestSuite\TestCase;
 use InvalidArgumentException;
+use LogicException;
 use SwaggerBake\Lib\Configuration;
 use SwaggerBake\Test\TestCase\Helper\ConfigurationHelperTrait;
 
@@ -36,8 +37,8 @@ public function test_get_set_docType(): void
 
     public function test_property_does_not_exist_throws_logic_exception(): void
     {
-        $this->expectException(\LogicException::class);
-        $this->expectExceptionMessageMatches("/Property nope does not exist/");
+        $this->expectException(LogicException::class);
+        $this->expectExceptionMessageMatches('/Property nope does not exist/');
         $configs = array_merge(self::DEFAULT_CONFIGS, ['nope' => 'nope']);
         new Configuration($configs, SWAGGER_BAKE_TEST_APP);
     }
@@ -51,13 +52,6 @@ public function test_constructor_throws_exception_when_config_arg_missing_requir
 
     /**
      * @dataProvider dataProviderInvalidConfig
-     *
-     * @param string $property The config property
-     * @param mixed $value The value of the $property
-     * @param string $exceptionClass The expected exception
-     * @param string $exceptionMsg A string the exception message should contain
-     *
-     * @return void
      */
     public function test_invalid_configs_should_throw_exceptions_with_invalid_data(
         string $property,
@@ -66,7 +60,7 @@ public function test_invalid_configs_should_throw_exceptions_with_invalid_data(
         string $exceptionMsg
     ): void {
         if (!class_exists($exceptionClass)) {
-            throw new \InvalidArgumentException("$exceptionClass is not a class. Test cannot be run.");
+            throw new InvalidArgumentException("$exceptionClass is not a class. Test cannot be run.");
         }
         $this->expectException($exceptionClass);
         $this->expectExceptionMessageMatches("/$exceptionMsg/");
@@ -85,15 +79,15 @@ public static function dataProviderInvalidConfig(): array
         $invalidPath = '/' . '..' . DS . '..' . DS . '..' . DS . '..' . DS . '..' . DS . '..' . DS . '..' . DS . '..' . DS;
 
         return [
-            ['prefix', 'nope', \InvalidArgumentException::class, 'Invalid prefix'],
-            ['yml', 'nope', \InvalidArgumentException::class, 'Value should start with'],
-            ['yml', $invalidPath . 'nope', \InvalidArgumentException::class, 'yml must exist on the file'],
-            ['json', 'nope', \InvalidArgumentException::class, 'Value should start with'],
-            ['json', $invalidPath . 'nope', \InvalidArgumentException::class, 'Config value for `json` must exist'],
-            ['webPath', 'nope', \InvalidArgumentException::class, 'Invalid webPath'],
-            ['docType', 'nope', \InvalidArgumentException::class, 'Invalid docType'],
-            ['editActionMethods', ['nope'], \InvalidArgumentException::class, 'Invalid editActionMethod'],
-            ['connectionName', 'nope', \InvalidArgumentException::class, 'Invalid connectionName'],
+            ['prefix', 'nope', InvalidArgumentException::class, 'Invalid prefix'],
+            ['yml', 'nope', InvalidArgumentException::class, 'Value should start with'],
+            ['yml', $invalidPath . 'nope', InvalidArgumentException::class, 'A YML file is required but none was found'],
+            ['json', 'nope', InvalidArgumentException::class, 'Value should start with'],
+            ['json', $invalidPath . 'nope', InvalidArgumentException::class, 'Config value for `json` must exist'],
+            ['webPath', 'nope', InvalidArgumentException::class, 'Invalid webPath'],
+            ['docType', 'nope', InvalidArgumentException::class, 'Invalid docType'],
+            ['editActionMethods', ['nope'], InvalidArgumentException::class, 'Invalid editActionMethod'],
+            ['connectionName', 'nope', InvalidArgumentException::class, 'Invalid connectionName'],
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/tests/TestCase/Lib/Operation/OperationResponseAssociationTest.php b/tests/TestCase/Lib/Operation/OperationResponseAssociationTest.php
index eb6e2583..7470d338 100644
--- a/tests/TestCase/Lib/Operation/OperationResponseAssociationTest.php
+++ b/tests/TestCase/Lib/Operation/OperationResponseAssociationTest.php
@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace SwaggerBake\Test\TestCase\Lib\Operation;
 
@@ -8,12 +9,10 @@
 use SwaggerBake\Lib\Attribute\OpenApiResponse;
 use SwaggerBake\Lib\Configuration;
 use SwaggerBake\Lib\Exception\SwaggerBakeRunTimeException;
-use SwaggerBake\Lib\SwaggerFactory;
 use SwaggerBake\Lib\OpenApi\Schema;
-use SwaggerBake\Lib\OpenApi\SchemaProperty;
 use SwaggerBake\Lib\Operation\OperationResponseAssociation;
-use SwaggerBake\Lib\Route\RouteDecorator;
 use SwaggerBake\Lib\Route\RouteScanner;
+use SwaggerBake\Lib\SwaggerFactory;
 
 class OperationResponseAssociationTest extends TestCase
 {
@@ -30,7 +29,7 @@ class OperationResponseAssociationTest extends TestCase
     private Configuration $config;
 
     /**
-     * @var RouteDecorator[]
+     * @var \SwaggerBake\Lib\Route\RouteDecorator[]
      */
     private array $routes;
 
@@ -55,7 +54,7 @@ public function setUp(): void
                 'controllers' => ['\SwaggerBakeTest\App\\'],
                 'entities' => ['\SwaggerBakeTest\App\\'],
                 'tables' => ['\SwaggerBakeTest\App\\'],
-            ]
+            ],
         ], SWAGGER_BAKE_TEST_APP);
 
         $cakeRoute = new RouteScanner(new Router(), $this->config);
@@ -182,7 +181,7 @@ public function test_associate_one(): void
             associations: ['table' => 'EmployeeSalaries', 'whiteList' => ['Employees']]
         ));
 
-        /** @var SchemaProperty $schemaProperty */
+        /** @var \SwaggerBake\Lib\OpenApi\SchemaProperty $schemaProperty */
         $schemaProperty = $schema->getProperties()['employee'];
         $this->assertEquals('employee', $schemaProperty->getName());
     }
@@ -200,4 +199,4 @@ public function test_associate_throws_exception_when_association_not_found(): vo
         ));
         $this->expectExceptionMessageMatches('/OpenApiResponse association not found/');
     }
-}
\ No newline at end of file
+}