Cleaned up some code

src/interpreter/LispInterpreterBuilder.java

@@ -29,8 +29,8 @@ public interface LispInterpreterBuilder {
 
     void setCriticalOutputDecorator(Function<String, String> criticalOutputDecorator);
 
-    default void reset() {}
-
     LispInterpreter build();
 
+    default void reset() {}
+
 }

test/interpreter/LispInterpreterBuilderTester.java

@@ -68,11 +68,21 @@ public class LispInterpreterBuilderTester {
         builder.build();
     }
 
+    @Test
     public void interpreterAlreadyBuiltException_HasMessage() {
-       InterpreterAlreadyBuiltException e = new InterpreterAlreadyBuiltException(); 
+        InterpreterAlreadyBuiltException e = new InterpreterAlreadyBuiltException();
 
-       assertNotNull(e.getMessage());
-       assertTrue(e.getMessage().length() > 0);
+        assertNotNull(e.getMessage());
+        assertTrue(e.getMessage().length() > 0);
+    }
+
+    @Test(expected = InterpreterAlreadyBuiltException.class)
+    public void resetNormallyDoesNothing() {
+        builder = new LispInterpreterBuilderImpl();
+
+        builder.build();
+        builder.reset();
+        builder.build();
     }
 
 }

test/main/MainTester.java

@@ -1,10 +1,7 @@
 package main;
 
-import static org.junit.Assert.*;
-
 import org.junit.*;
 
-
 public class MainTester {
 
     @Before
@@ -13,9 +10,4 @@ public class MainTester {
     @After
     public void tearDown() throws Exception {}
 
-    @Test
-    public void test() {
-        fail("Not yet implemented");
-    }
-
 }