format corrected

src/test/TestPair.java

 package test;
 
-import com.sun.istack.internal.NotNull;
 import edu.kit.informatik.Terminal;
 
 public class TestPair {
@@ -22,24 +21,24 @@ public class TestPair {
     private String output;
     private Type type;
 
-    public TestPair(@NotNull String input, @NotNull String output, Type type) {
-        assert input != null: "input is null";
-        assert output != null: "output is null";
+    public TestPair(String input, String output, Type type) {
+        assert input != null : "input is null";
+        assert output != null : "output is null";
         this.input = input;
         this.output = output;
         this.type = type;
     }
 
-    public TestPair(@NotNull String input, @NotNull String output) {
-        assert input != null: "input is null";
-        assert output != null: "output is null";
+    public TestPair(String input, String output) {
+        assert input != null : "input is null";
+        assert output != null : "output is null";
         this.input = input;
         this.output = output;
         this.type = Type.CHECK_EQUALS;
     }
 
-    public TestPair(@NotNull String input, Type type) {
-        assert input != null: "input is null";
+    public TestPair(String input, Type type) {
+        assert input != null : "input is null";
         this.input = input;
         this.type = type;
         this.output = "";