Fix plugin name in tests

Author: Stefterv

.kotlin/errors/errors-1743146568860.log

@@ -0,0 +1,4 @@
+kotlin version: 2.0.20
+error message: The daemon has terminated unexpectedly on startup attempt #1 with error code: 0. The daemon process output:
+    1. Kotlin compile daemon is ready
+

java/gradle/src/main/kotlin/ProcessingPlugin.kt

@@ -40,13 +40,13 @@ class ProcessingPlugin @Inject constructor(private val objectFactory: ObjectFact
 
         val preferences = File(settingsFolder, "preferences.txt")
         val prefs = Properties()
-        prefs.load(preferences.inputStream())
+        if(preferences.exists()) prefs.load(preferences.inputStream())
         prefs.setProperty("export.application.fullscreen", "false")
         prefs.setProperty("export.application.present", "false")
         prefs.setProperty("export.application.stop", "false")
-        prefs.store(preferences.outputStream(), null)
+        if(preferences.exists()) prefs.store(preferences.outputStream(), null)
 
-        val sketchbook = prefs.getProperty("sketchbook.path.four")
+        val sketchbook = prefs.getProperty("sketchbook.path.four") ?: ("${System.getProperty("user.home")}/.processing")
 
         // Apply the Java plugin to the Project
         project.plugins.apply(JavaPlugin::class.java)

java/gradle/src/test/kotlin/ProcessingPluginTest.kt

@@ -9,7 +9,7 @@ class ProcessingPluginTest{
     @Test
     fun testPluginAddsSketchTask(){
         val project = ProjectBuilder.builder().build()
-        project.pluginManager.apply("processing.java.gradle")
+        project.pluginManager.apply("org.processing.gradle")
 
         assert(project.tasks.getByName("sketch") is Task)
     }
@@ -23,7 +23,7 @@ class ProcessingPluginTest{
         val buildFile = folder.newFile("build.gradle.kts")
         buildFile.writeText("""
             plugins{
-                id("processing.java.gradle")
+                id("org.processing.gradle")
             }
         """.trimIndent())
 
@@ -37,12 +37,12 @@ class ProcessingPluginTest{
             }
         """.trimIndent())
 
-        val result = GradleRunner.create()
+        GradleRunner.create()
             .withProjectDir(folder.root)
             .withArguments("build")
             .withPluginClasspath()
             .build()
 
-        assert(folder.root.resolve(".processing/generated/pde/main").exists())
+        assert(folder.root.resolve("build/generated/pde/main").exists())
     }
 }