Clean up code

test/file/FilePositionTrackerTest.java

@@ -31,7 +31,7 @@ public class FilePositionTrackerTest {
     }
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         trackerUnderTest = new FilePositionTracker(FILE_NAME);
     }
 

test/function/ArgumentValidatorTest.java

@@ -24,7 +24,7 @@ public class ArgumentValidatorTest {
     }
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         validator = new ArgumentValidator("TEST");
     }
 

test/interpreter/LispInterpreterTest.java

@@ -52,7 +52,7 @@ public class LispInterpreterTest {
     }
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         indicatorSet = new HashSet<>();
         outputStream = new ByteArrayOutputStream();
         errorOutputStream = new ByteArrayOutputStream();
@@ -61,7 +61,7 @@ public class LispInterpreterTest {
     }
 
     @After
-    public void tearDown() throws Exception {
+    public void tearDown() {
         builder.reset();
         environment.reset();
     }

test/sexpression/SExpressionTest.java

@@ -7,7 +7,7 @@ import static testutil.TestUtilities.*;
 
 import java.math.BigInteger;
 
-import org.junit.*;
+import org.junit.Test;
 
 import function.UserDefinedFunction;
 import sexpression.LispNumber.InvalidNumberException;
@@ -18,9 +18,6 @@ public class SExpressionTest {
         assertEquals(expected, sExpression.toString());
     }
 
-    @Before
-    public void setUp() throws Exception {}
-
     @Test
     public void nil_ToString() {
         String input = "NIL";

test/stream/SafeInputStreamTest.java

@@ -11,14 +11,11 @@ public class SafeInputStreamTest {
     SafeInputStream safeWithException;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         safe = new SafeInputStream(createInputStreamFromString("a"));
         safeWithException = new SafeInputStream(createIOExceptionThrowingInputStream());
     }
 
-    @After
-    public void tearDown() throws Exception {}
-
     @Test
     public void readWorks() {
         assertEquals('a', (char) safe.read());

test/stream/SafeOutputStreamTest.java

@@ -14,7 +14,7 @@ public class SafeOutputStreamTest {
     ByteArrayOutputStream output;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         output = new ByteArrayOutputStream();
         safe = new SafeOutputStream(output);
         safeWithException = new SafeOutputStream(createIOExceptionThrowingOutputStream());

test/token/TokenFactoryTest.java

@@ -14,7 +14,7 @@ public class TokenFactoryTest {
     private FilePosition testPosition;
 
     @Before
-    public void setUp() throws Exception {
+    public void setUp() {
         tokenFactory = new TokenFactoryImpl();
         testPosition = new FilePosition("testFile");
         testPosition.setLineNumber(0);