Improve test names

Author: sebastianbergmann

tests/unit/Framework/MockObject/Creation/CreateMockTest.php

@@ -47,7 +47,7 @@ public function testCreatesMockObjectForExtendableClass(): void
         $this->assertInstanceOf(MockObject::class, $double);
     }
 
-    public function testCreatesMockObjectForReadonlyClass(): void
+    public function testCreatesMockObjectForExtendableReadonlyClass(): void
     {
         $double = $this->createMock(ExtendableReadonlyClass::class);
 

tests/unit/Framework/MockObject/Creation/CreateStubTest.php

@@ -45,7 +45,7 @@ public function testCreatesTestStubForExtendableClass(): void
         $this->assertInstanceOf(Stub::class, $double);
     }
 
-    public function testCreatesTestStubForReadonlyClass(): void
+    public function testCreatesTestStubForExtendableReadonlyClass(): void
     {
         $double = $this->createStub(ExtendableReadonlyClass::class);