Properly test strategy build failure

src/Moka/Tests/MokaMockingStrategyTestCase.php

@@ -12,7 +12,7 @@ abstract class MokaMockingStrategyTestCase extends TestCase
 {
     const FQCN_EMPTY = '';
     const FQCN_INVALID = 'Foo Bar';
-    const FQCN_NONEXISTENT_TEMPLATE = 'Foo_%s';
+    const FQCN_NONEXISTENT_TEMPLATE = 'Foo_%d';
 
     /**
      * @var MockingStrategyInterface

tests/Strategy/IncompleteMockingStrategy.php

@@ -14,6 +14,7 @@ class IncompleteMockingStrategy extends AbstractMockingStrategy
 
     protected function doBuild(string $fqcn)
     {
+        throw new \Exception();
     }
 
     protected function doDecorateWithMethod($mock, MethodStub $stub)

tests/Strategy/MockingStrategyTest.php

@@ -4,6 +4,7 @@
 namespace Tests\Strategy;
 
 use Moka\Exception\MissingDependencyException;
+use Moka\Exception\MockNotCreatedException;
 use Moka\Exception\NotImplementedException;
 use PHPUnit\Framework\TestCase;
 
@@ -24,12 +25,19 @@ public function testGetMockTypeFailure()
         $strategy->getMockType();
     }
 
+    public function testBuildFailure()
+    {
+        $strategy = new BareMockingStrategy();
+
+        $this->expectException(MockNotCreatedException::class);
+        $strategy->build(\stdClass::class);
+    }
+
     public function testCallFailure()
     {
         $strategy = new BareMockingStrategy();
 
         $this->expectException(\Error::class);
-
         $strategy->call(new \stdClass(), 'foo');
     }
 }