diff --git a/src/test/java/ch/zhaw/ads/BracketServerTest.java b/src/test/java/ch/zhaw/ads/BracketServerTest.java
index b6d12d2..f35661d 100644
--- a/src/test/java/ch/zhaw/ads/BracketServerTest.java
+++ b/src/test/java/ch/zhaw/ads/BracketServerTest.java
@@ -1,29 +1,29 @@
 package ch.zhaw.ads;
-
-import org.junit.Test;
-import org.junit.Before;
-import static org.junit.Assert.*;
-public class BracketServerTest {
-	
-/*	BracketServer bs;
-	
-	@Before
-	public void setUp() throws Exception {
-		bs = new BracketServer();
-	}
-	private void test(String s, boolean b) {
-		assertEquals(s,bs.checkBrackets(s),b);
-	}
-	
-	@Test
-	public void testBracket() {
-		test("()",true);
-		test("(()]",false);
-		test("((([([])])))",true);
-		test("[(])",false);
-		test("[(3 +3)* 35 +3]* {3 +2}",true);
-		test("[({3 +3)* 35} +3]* {3 +2}",false);
-	}
-
-	*/
-}
+
+import org.junit.Test;
+import org.junit.Before;
+import static org.junit.Assert.*;
+public class BracketServerTest {
+	
+/*	BracketServer bs;
+	
+	@Before
+	public void setUp() throws Exception {
+		bs = new BracketServer();
+	}
+	private void test(String s, boolean b) {
+		assertEquals(s,bs.checkBrackets(s),b);
+	}
+	
+	@Test
+	public void testBracket() {
+		test("()",true);
+		test("(()]",false);
+		test("((([([])])))",true);
+		test("[(])",false);
+		test("[(3 +3)* 35 +3]* {3 +2}",true);
+		test("[({3 +3)* 35} +3]* {3 +2}",false);
+	}
+
+	*/
+}
diff --git a/src/test/java/ch/zhaw/ads/KgvServerTest.java b/src/test/java/ch/zhaw/ads/KgvServerTest.java
index 4df9efa..13ac30a 100644
--- a/src/test/java/ch/zhaw/ads/KgvServerTest.java
+++ b/src/test/java/ch/zhaw/ads/KgvServerTest.java
@@ -1,23 +1,23 @@
 package ch.zhaw.ads;
-
-import org.junit.Before;
-import org.junit.Test;
-import static org.junit.Assert.*;
-
-public class KgvServerTest {
-	
-	KGVServer server;
-	
-	@Before
-	public void setUp() throws Exception {
-		server = new KGVServer();
-	}
-    
-	@Test
-	public void testKgv() {
-		assertEquals(server.kgv(3,4),12);
-		assertEquals(server.kgv(2,4),4);
-		assertEquals(server.kgv(5,7),35);
-		assertEquals(server.kgv(4,6),12);
-	}	
+
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class KgvServerTest {
+	
+	KGVServer server;
+	
+	@Before
+	public void setUp() throws Exception {
+		server = new KGVServer();
+	}
+    
+	@Test
+	public void testKgv() {
+		assertEquals(server.kgv(3,4),12);
+		assertEquals(server.kgv(2,4),4);
+		assertEquals(server.kgv(5,7),35);
+		assertEquals(server.kgv(4,6),12);
+	}	
 }
\ No newline at end of file
diff --git a/src/test/java/ch/zhaw/ads/StackTest.java b/src/test/java/ch/zhaw/ads/StackTest.java
index 3131ae0..0ee5a4d 100644
--- a/src/test/java/ch/zhaw/ads/StackTest.java
+++ b/src/test/java/ch/zhaw/ads/StackTest.java
@@ -1,58 +1,58 @@
-/**
- * @(#)StackTest.java
- *
- *
- * @author 
- * @version 1.00 2017/8/30
- */
-
+/**
+ * @(#)StackTest.java
+ *
+ *
+ * @author 
+ * @version 1.00 2017/8/30
+ */
+
 package ch.zhaw.ads;
-
-
-import org.junit.Test;
-import org.junit.Before;
-import static org.junit.Assert.*;
-
-public class StackTest {
-	
-	ListStack stack;
-	
-	@Before
-	public void setUp() throws Exception {
-		stack = new ListStack();
-	}
-    
-	@Test
-	public void testPush1() {
-		stack.push("A");
-		Object o = stack.pop();
-		assertEquals(o, "A");
-	}	
-		
-	@Test
-	public void testPush2() {
-		stack.push("A");
-		stack.push("B");
-		assertEquals(stack.pop(), "B");
-		assertEquals(stack.pop(), "A");
-	}	
-		
-	@Test
-	public void testIsEmpty() {
-		assertTrue(stack.isEmpty());
-		stack.push("A");
-		assertFalse(stack.isEmpty());
-		stack.pop();
-		assertTrue(stack.isEmpty());
-	}	
-		
-	@Test
-	public void testIsFull() {
-		assertFalse(stack.isFull());
-	}	
-		
-	@Test
-	public void testEmptyPop() {
-		assertEquals(stack.pop(), null);
-	}	
+
+
+import org.junit.Test;
+import org.junit.Before;
+import static org.junit.Assert.*;
+
+public class StackTest {
+	
+	ListStack stack;
+	
+	@Before
+	public void setUp() throws Exception {
+		stack = new ListStack();
+	}
+    
+	@Test
+	public void testPush1() {
+		stack.push("A");
+		Object o = stack.pop();
+		assertEquals(o, "A");
+	}	
+		
+	@Test
+	public void testPush2() {
+		stack.push("A");
+		stack.push("B");
+		assertEquals(stack.pop(), "B");
+		assertEquals(stack.pop(), "A");
+	}	
+		
+	@Test
+	public void testIsEmpty() {
+		assertTrue(stack.isEmpty());
+		stack.push("A");
+		assertFalse(stack.isEmpty());
+		stack.pop();
+		assertTrue(stack.isEmpty());
+	}	
+		
+	@Test
+	public void testIsFull() {
+		assertFalse(stack.isFull());
+	}	
+		
+	@Test
+	public void testEmptyPop() {
+		assertEquals(stack.pop(), null);
+	}	
 }
\ No newline at end of file