diff --git a/src/main/kotlin/b/language/server/Util.kt b/src/main/kotlin/b/language/server/Util.kt
index ce0811270e1ee8d1be53e1d0143ea62401f92db0..eb734fe539ca61d511f3c8705c70d6a0d72505b7 100644
--- a/src/main/kotlin/b/language/server/Util.kt
+++ b/src/main/kotlin/b/language/server/Util.kt
@@ -5,7 +5,6 @@ import com.google.gson.Gson
 import com.google.gson.JsonObject
 
 
-
 /**
  * Takes a json and tries to cast it into a settings objects
  * @param json the json object
@@ -18,7 +17,6 @@ fun castJsonToSetting(json : JsonObject) : Settings {
             Gson().fromJson(json.get("performanceHints"), Boolean::class.java),
             Gson().fromJson(json.get("probHome"), String::class.java),
             Gson().fromJson(json.get("debugMode"), Boolean::class.java))
-
 }
 
 
diff --git a/src/main/kotlin/b/language/server/proBMangement/prob/Util.kt b/src/main/kotlin/b/language/server/proBMangement/prob/Util.kt
index fa1a55be050f898427f6a8ef51754a7f5818bad9..dd42b43b55b0f0fc324af26cd3aa102a1b86975f 100644
--- a/src/main/kotlin/b/language/server/proBMangement/prob/Util.kt
+++ b/src/main/kotlin/b/language/server/proBMangement/prob/Util.kt
@@ -5,25 +5,22 @@ import org.eclipse.lsp4j.Diagnostic
 import org.eclipse.lsp4j.DiagnosticSeverity
 import org.eclipse.lsp4j.Position
 import org.eclipse.lsp4j.Range
-import java.io.BufferedWriter
-import java.io.File
-import java.io.FileOutputStream
-import java.io.OutputStreamWriter
-
 
 fun convertErrorItems(errorItems: List<ErrorItem>) : List<Diagnostic>{
     return errorItems.toList().map { errorItem ->
         errorItem.locations.map { location ->
-            Diagnostic(Range(Position(location.startLine - 1, location.startColumn), Position(location.endLine - 1, location.endColumn)),
+            Diagnostic(Range(
+                    Position(location.startLine - 1, location.startColumn),
+                    Position(location.endLine - 1, location.endColumn)),
                     errorItem.message,
-                    getErrorItemType(errorItem),
+                    getErrorItemType(errorItem.type),
                     location.filename)
         }
     }.flatten()
 }
 
-fun getErrorItemType(errorItem: ErrorItem) : DiagnosticSeverity{
-    return when(errorItem.type){
+fun getErrorItemType(errorItem: ErrorItem.Type) : DiagnosticSeverity{
+    return when(errorItem){
         ErrorItem.Type.ERROR -> {
             DiagnosticSeverity.Error
         }
diff --git a/src/test/kotlin/b/language/server/Client.kt b/src/test/kotlin/b/language/server/Client.kt
deleted file mode 100644
index 4c12b9d8d60972099a9021558ec6c574e359918f..0000000000000000000000000000000000000000
--- a/src/test/kotlin/b/language/server/Client.kt
+++ /dev/null
@@ -1,52 +0,0 @@
-package b.language.server
-
-import org.eclipse.lsp4j.MessageActionItem
-import org.eclipse.lsp4j.MessageParams
-import org.eclipse.lsp4j.PublishDiagnosticsParams
-import org.eclipse.lsp4j.ShowMessageRequestParams
-import org.eclipse.lsp4j.services.LanguageClient
-import java.util.concurrent.CompletableFuture
-
-class Client : LanguageClient {
-    /**
-     * The telemetry notification is sent from the server to the client to ask
-     * the client to log a telemetry event.
-     */
-    override fun telemetryEvent(`object`: Any?) {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * Diagnostics notifications are sent from the server to the client to
-     * signal results of validation runs.
-     */
-    override fun publishDiagnostics(diagnostics: PublishDiagnosticsParams?) {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * The show message notification is sent from a server to a client to ask
-     * the client to display a particular message in the user interface.
-     */
-    override fun showMessage(messageParams: MessageParams?) {
-       println("hi")
-    }
-
-    /**
-     * The show message request is sent from a server to a client to ask the
-     * client to display a particular message in the user interface. In addition
-     * to the show message notification the request allows to pass actions and
-     * to wait for an answer from the client.
-     */
-    override fun showMessageRequest(requestParams: ShowMessageRequestParams?): CompletableFuture<MessageActionItem> {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * The log message notification is send from the server to the client to ask
-     * the client to log a particular message.
-     */
-    override fun logMessage(message: MessageParams?) {
-        TODO("Not yet implemented")
-    }
-}
\ No newline at end of file
diff --git a/src/test/kotlin/b/language/server/ProBCommandLineTest.kt b/src/test/kotlin/b/language/server/ProBCommandLineTest.kt
deleted file mode 100644
index 6784d0370572727f95553f87b778bd8e85de1284..0000000000000000000000000000000000000000
--- a/src/test/kotlin/b/language/server/ProBCommandLineTest.kt
+++ /dev/null
@@ -1,182 +0,0 @@
-package b.language.server
-
-class ProBCommandLineTest{
-    /*
-    @Test
-    fun test_readProblems(@TempDir tempPath : File = File("tmp"))
-    {
-        val file = File(tempPath.path+"/tmp.txt")
-        val problemToWrite = Problem(message = "Test", file = "test.mch", reason = "test reason", version = "test",
-                start = Position(1,1), end = Position(1,1), type = "test")
-        file.writeText(Gson().toJson(problemToWrite))
-
-        val problems = ProBCommandLineAccess().readProblems(file.path)
-
-        val problem = problems.first()
-
-        assertEquals(problemToWrite.version, problem.version)
-        assertEquals(problemToWrite.end.col, problem.end.col)
-        assertEquals(problemToWrite.end.line, problemToWrite.end.line)
-        assertEquals(problemToWrite.start.col, problem.start.col)
-        assertEquals(problemToWrite.start.line, problemToWrite.start.line)
-        assertEquals(problemToWrite.file, problem.file)
-        assertEquals(problemToWrite.message, problem.message)
-        assertEquals(problemToWrite.reason, problem.reason)
-
-    }
-
-    @Test
-    fun test_buildCommand_everything_activated(@TempDir tempPath : File = File("tmp")){
-        val testSettings = Settings()
-        val tempFile = File(tempPath.path+"/m.mch")
-        val command = ProBCommandLineAccess().buildCommand(testSettings, tempFile, tempPath)
-        assertEquals("~/prob_prolog/probcli.sh -p MAX_INITIALISATIONS 0 " +
-                "-version  " +
-                "-p PERFORMANCE_INFO TRUE  " +
-                "-p STRICT_CLASH_CHECKING TRUE " +
-                "-p TYPE_CHECK_DEFINITIONS TRUE -lint  " +
-                "-wd-check -release_java_parser ${tempFile.path} " +
-                "-p NDJSON_ERROR_LOG_FILE $tempPath", command)
-    }
-
-    @Test
-    fun test_buildCommand_everything_not_strict(@TempDir tempPath : File = File("tmp")){
-        val testSettings = Settings(strictChecks = false)
-        val tempFile = File(tempPath.path+"/m.mch")
-        val command = ProBCommandLineAccess().buildCommand(testSettings, tempFile, tempPath)
-        assertEquals("~/prob_prolog/probcli.sh -p MAX_INITIALISATIONS 0 " +
-                "-version  " +
-                "-p PERFORMANCE_INFO TRUE   " +
-                "-wd-check -release_java_parser ${tempFile.path} " +
-                "-p NDJSON_ERROR_LOG_FILE $tempPath", command)
-    }
-
-
-    @Test
-    fun test_buildCommand_everything_not_wd(@TempDir tempPath : File = File("tmp")){
-        val testSettings = Settings(wdChecks = false)
-        val tempFile = File(tempPath.path+"/m.mch")
-        val command = ProBCommandLineAccess().buildCommand(testSettings, tempFile, tempPath)
-        assertEquals("~/prob_prolog/probcli.sh -p MAX_INITIALISATIONS 0 " +
-                "-version  " +
-                "-p PERFORMANCE_INFO TRUE  " +
-                "-p STRICT_CLASH_CHECKING TRUE " +
-                "-p TYPE_CHECK_DEFINITIONS TRUE -lint  " +
-                "${tempFile.path} " +
-                "-p NDJSON_ERROR_LOG_FILE $tempPath", command)
-    }
-
-
-    @Test
-    fun test_buildCommand_everything_not_performanceHints(@TempDir tempPath : File = File("tmp")){
-        val testSettings = Settings(performanceHints = false)
-        val tempFile = File(tempPath.path+"/m.mch")
-        val command = ProBCommandLineAccess().buildCommand(testSettings, tempFile, tempPath)
-        assertEquals("~/prob_prolog/probcli.sh -p MAX_INITIALISATIONS 0 " +
-                "-version   " +
-                "-p STRICT_CLASH_CHECKING TRUE " +
-                "-p TYPE_CHECK_DEFINITIONS TRUE -lint  " +
-                "-wd-check -release_java_parser ${tempFile.path} " +
-                "-p NDJSON_ERROR_LOG_FILE $tempPath", command)
-    }
-
-
-    @Test
-    fun test_transformProblems_negative_range(){
-        val problemFile = "test.mch"
-        val message = "Test"
-        val version = "test"
-        val testProblem =  Problem(message = message, file = problemFile, reason = "test reason", version = version,
-                start = Position(-1,-1), end = Position(-1,-1), type = "error")
-
-        val transformedProblem = ProBCommandLineAccess().transformProblems(listOf(testProblem)).first()
-
-        val diagnostic = Diagnostic(Range(
-                org.eclipse.lsp4j.Position(1,0),
-                org.eclipse.lsp4j.Position(1, Integer.MAX_VALUE)), message,  DiagnosticSeverity.Error, problemFile, " probcli v.$version" )
-        assertEquals(diagnostic, transformedProblem)
-
-    }
-
-
-    @Test
-    fun test_transformProblems_error(){
-        val problemFile = "test.mch"
-        val message = "Test"
-        val version = "test"
-        val testProblem =  Problem(message = message, file = problemFile, reason = "test reason", version = version,
-                start = Position(32,54), end = Position(54,65), type = "error")
-
-        val transformedProblem = ProBCommandLineAccess().transformProblems(listOf(testProblem)).first()
-
-        val diagnostic = Diagnostic(Range(
-                org.eclipse.lsp4j.Position(31,54),
-                org.eclipse.lsp4j.Position(53, 65)), message,  DiagnosticSeverity.Error, problemFile, " probcli v.$version" )
-        assertEquals(diagnostic, transformedProblem)
-
-    }
-
-
-    @Test
-    fun test_transformProblems_warning(){
-        val problemFile = "test.mch"
-        val message = "Test"
-        val version = "test"
-        val testProblem =  Problem(message = message, file = problemFile, reason = "test reason", version = version,
-                start = Position(32,54), end = Position(54,65), type = "warning")
-
-        val transformedProblem = ProBCommandLineAccess().transformProblems(listOf(testProblem)).first()
-
-        val diagnostic = Diagnostic(Range(
-                org.eclipse.lsp4j.Position(31,54),
-                org.eclipse.lsp4j.Position(53, 65)), message,  DiagnosticSeverity.Warning, problemFile, " probcli v.$version" )
-        assertEquals(diagnostic, transformedProblem)
-
-    }
-
-    @Test
-    fun test_transformProblems_information(){
-        val problemFile = "test.mch"
-        val message = "Test"
-        val version = "test"
-        val testProblem =  Problem(message = message, file = problemFile, reason = "test reason", version = version,
-                start = Position(32,54), end = Position(54,65), type = "information")
-
-        val transformedProblem = ProBCommandLineAccess().transformProblems(listOf(testProblem)).first()
-
-        val diagnostic = Diagnostic(Range(
-                org.eclipse.lsp4j.Position(31,54),
-                org.eclipse.lsp4j.Position(53, 65)), message,  DiagnosticSeverity.Information, problemFile, " probcli v.$version" )
-        assertEquals(diagnostic, transformedProblem)
-
-    }
-
-
-    @Test
-    fun test_transformProblems_hint(){
-        val problemFile = "test.mch"
-        val message = "Test"
-        val version = "test"
-        val testProblem =  Problem(message = message, file = problemFile, reason = "test reason", version = version,
-                start = Position(32,54), end = Position(54,65), type = "something else")
-
-        val transformedProblem = ProBCommandLineAccess().transformProblems(listOf(testProblem)).first()
-
-        val diagnostic = Diagnostic(Range(
-                org.eclipse.lsp4j.Position(31,54),
-                org.eclipse.lsp4j.Position(5, 65)), message,  DiagnosticSeverity.Hint, problemFile, " probcli v.$version" )
-        assertEquals(diagnostic, transformedProblem)
-
-    }
-
-
-    @Test
-    fun test_createFolders_success(@TempDir tempPath : File = File("tmp")){
-        val errorDict = File(tempPath.path+"/tmp")
-        val errorPath = File(tempPath.path+"/tmp/hallo.njson")
-        val result = ProBCommandLineAccess().createFolder(errorDict, errorPath)
-        assertTrue(result)
-    }
-*/
-
-}
\ No newline at end of file
diff --git a/src/test/kotlin/b/language/server/TestApp.kt b/src/test/kotlin/b/language/server/TestApp.kt
deleted file mode 100644
index a9238533f49d2dfa554fa4de9b3914e28907fd2a..0000000000000000000000000000000000000000
--- a/src/test/kotlin/b/language/server/TestApp.kt
+++ /dev/null
@@ -1,30 +0,0 @@
-package b.language.server
-
-import b.language.server.proBMangement.prob.ProBKernelManager
-import org.eclipse.lsp4j.jsonrpc.Launcher
-import org.eclipse.lsp4j.launch.LSPLauncher
-import org.eclipse.lsp4j.services.LanguageClient
-import org.eclipse.lsp4j.services.LanguageServer
-import java.io.InputStream
-import java.io.OutputStream
-import java.util.concurrent.Future
-
-
-
-    fun main() {
-        startServer(System.`in`, System.out)
-    }
-
-
-    fun startServer(inputStream: InputStream, outputStream: OutputStream){
-
-
-        val client = Client()
-        val launcher : Launcher<LanguageServer> = LSPLauncher.createClientLauncher(client, inputStream, outputStream)
-        val startListing : Future<*> = launcher.startListening()
-
-
-        startListing.get()
-    }
-
-
diff --git a/src/test/kotlin/b/language/server/communication/DummyCommunication.kt b/src/test/kotlin/b/language/server/communication/DummyCommunication.kt
deleted file mode 100644
index 0eb59e2ec6816df2a898b111c548094f37a912ba..0000000000000000000000000000000000000000
--- a/src/test/kotlin/b/language/server/communication/DummyCommunication.kt
+++ /dev/null
@@ -1,57 +0,0 @@
-package b.language.server.communication
-
-import b.language.server.communication.CommunicatorInterface
-import org.eclipse.lsp4j.MessageType
-import org.eclipse.lsp4j.PublishDiagnosticsParams
-
-
-/**
- * The Communicator is a side effect class, we don´t want side effects in out tests; especially such that are for
- * debug purpose only
- */
-class DummyCommunication() : CommunicatorInterface {
-
-    val outputCollector = mutableListOf<String>()
-
-    /**
-     * Sends the diagnostics
-     *
-     * @param diagnostics object containing the Diagnostics
-     */
-    override fun publishDiagnostics(diagnostics: PublishDiagnosticsParams) {}
-
-    /**
-     * Sends a debug message resulting in a output channel message
-     *
-     * @param message the message to send
-     * @param severity the Severity of the message (Error/Info/Warning)
-     */
-    override fun sendDebugMessage(message: String, severity: MessageType) {
-        outputCollector.add(message)
-    }
-
-    /**
-     * Sends a popup message resulting in a popup message
-     *
-     * @param message the message to send
-     * @param severity the Severity of the message (Error/Info/Warning)
-     */
-    override fun showMessage(message: String, severity: MessageType) {}
-
-    /**
-     * To enable/disable debug mode
-     *
-     * @param mode the new state of the debug mode
-     */
-    override fun setDebugMode(mode: Boolean) {
-        TODO("Not yet implemented")
-    }
-
-    /**
-     * To enable/disable debug mode
-     *
-     * @param mode the new state of the debug mode
-     */
-
-
-}
\ No newline at end of file
diff --git a/src/test/kotlin/b/language/server/prob2/proBMangement/ProBKernelManagerTest.kt b/src/test/kotlin/b/language/server/prob2/proBMangement/ProBKernelManagerTest.kt
deleted file mode 100644
index 7d41407e6efcc4628e2629c9da71d2e64f92dd6d..0000000000000000000000000000000000000000
--- a/src/test/kotlin/b/language/server/prob2/proBMangement/ProBKernelManagerTest.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-package b.language.server.prob2.proBMangement
-
-class ProBKernelManagerTest {
-/*
-    @Test
-    fun testCorrectBaseSetup(){
-        val dummyCommunication = DummyCommunication()
-        val proBKernelManager = ProBKernelManager(dummyCommunication)
-
-        proBKernelManager.setup("DEFAULT")
-
-        assertEquals(listOf("default prob selected", "generating kernel...", "..done"), dummyCommunication.outputCollector)
-    }
-
-
-    @Test
-    fun testCorrectBaseSetupWrongPath(){
-        val dummyCommunication = DummyCommunication()
-        val proBKernelManager = ProBKernelManager(dummyCommunication)
-
-        Assertions.assertThrows(WrongPathException::class.java) { proBKernelManager.setup("NOTDEFAULT") }
-    }
-
-    @Test
-    fun testCheckDocument(){
-        val dummyCommunication = DummyCommunication()
-        val proBKernelManager = ProBKernelManager(dummyCommunication)
-
-        val diagnostics = proBKernelManager.checkDocument("src/test/resources/Lift.mch", Settings(100, true, true, true, File("DEFAULT")))
-        println(dummyCommunication.outputCollector)
-        println(diagnostics)
-    }
-    */
-
-}
\ No newline at end of file
diff --git a/src/test/kotlin/b/language/server/prob2/proBMangement/UtilTest.kt b/src/test/kotlin/b/language/server/prob2/proBMangement/UtilTest.kt
new file mode 100644
index 0000000000000000000000000000000000000000..0eea8cf11c1a91a295309e6f67f06cda0e611535
--- /dev/null
+++ b/src/test/kotlin/b/language/server/prob2/proBMangement/UtilTest.kt
@@ -0,0 +1,68 @@
+package b.language.server.prob2.proBMangement
+
+import b.language.server.proBMangement.prob.convertErrorItems
+import b.language.server.proBMangement.prob.getErrorItemType
+import de.prob.animator.domainobjects.ErrorItem
+import org.eclipse.lsp4j.Diagnostic
+import org.eclipse.lsp4j.DiagnosticSeverity
+import org.eclipse.lsp4j.Position
+import org.eclipse.lsp4j.Range
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+class UtilTest {
+
+    /**
+     * as we using functional programming we don´t test the logic but the functionality
+     */
+    @Test
+    fun generateErrorItem()
+    {
+        val startLine = 100
+        val statCol = 100
+        val endLine = 101
+        val endCol = 101
+        val message = "hello"
+        val file = "/test"
+
+         val errorItem = ErrorItem(message, ErrorItem.Type.INTERNAL_ERROR,
+                 listOf(ErrorItem.Location(file, startLine,statCol,endLine,endCol)))
+
+         val diagnostic = Diagnostic(
+                 Range(
+                         Position(startLine-1, statCol),
+                         Position(endLine-1, endCol)),
+                 message, DiagnosticSeverity.Error, file)
+
+        val errorItemAfter = convertErrorItems(listOf(errorItem)).first()
+
+        assertEquals(diagnostic, errorItemAfter)
+
+    }
+
+    @Test
+    fun errorCodeTranslation_Error1()
+    {
+        val result = getErrorItemType(ErrorItem.Type.INTERNAL_ERROR)
+
+        assertEquals(DiagnosticSeverity.Error, result)
+    }
+
+    @Test
+    fun errorCodeTranslation_Error2()
+    {
+        val result = getErrorItemType(ErrorItem.Type.ERROR)
+
+        assertEquals(DiagnosticSeverity.Error, result)
+    }
+
+    @Test
+    fun errorCodeTranslation_Warning()
+    {
+        val result = getErrorItemType(ErrorItem.Type.WARNING)
+
+        assertEquals(DiagnosticSeverity.Warning, result)
+    }
+
+
+}
\ No newline at end of file