Organized imports in several files

src/util/Characters.java

@@ -1,7 +1,6 @@
 package util;
 
-import java.util.HashSet;
-import java.util.Set;
+import java.util.*;
 
 public final class Characters {
 

test/file/FilePositionTrackerTester.java

@@ -4,8 +4,7 @@ import static org.junit.Assert.assertTrue;
 
 import java.util.Objects;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.*;
 
 public class FilePositionTrackerTester {
 

test/function/UserDefinedFunctionTester.java

@@ -1,7 +1,7 @@
 package function;
 
 import static org.junit.Assert.assertEquals;
-import static testutil.TestUtilities.*;
+import static testutil.TestUtilities.assertSExpressionsMatch;
 
 import org.junit.Test;
 

test/function/builtin/predicate/ATOMTester.java

@@ -1,6 +1,6 @@
 package function.builtin.predicate;
 
-import static testutil.TestUtilities.*;
+import static testutil.TestUtilities.evaluateString;
 import static testutil.TypeAssertions.*;
 
 import org.junit.Test;

test/parser/LispParserTester.java

@@ -1,16 +1,14 @@
 package parser;
 
 import static org.junit.Assert.*;
+import static testutil.TestUtilities.*;
 import static testutil.TypeAssertions.*;
-import static testutil.TestUtilities.createIOExceptionThrowingInputStream;
-import static testutil.TestUtilities.createInputStreamFromString;
 
 import java.io.InputStream;
 
 import org.junit.Test;
 
-import error.ErrorManager;
-import error.LispException;
+import error.*;
 import scanner.LispInputStream.UncheckedIOException;
 import scanner.LispScanner.UnterminatedStringException;
 import token.Eof.EofEncounteredException;

test/scanner/LispCommentRemovingInputStreamTester.java

@@ -1,16 +1,14 @@
 package scanner;
 
 import static org.junit.Assert.*;
-import static testutil.TestUtilities.createIOExceptionThrowingInputStream;
-import static testutil.TestUtilities.createInputStreamFromString;
+import static testutil.TestUtilities.*;
 
 import java.io.InputStream;
 
 import org.junit.Test;
 
 import error.ErrorManager;
-import scanner.LispInputStream.MaximumUnreadsExceededException;
-import scanner.LispInputStream.UncheckedIOException;
+import scanner.LispInputStream.*;
 
 public class LispCommentRemovingInputStreamTester {
 

test/scanner/LispScannerTypeTester.java

@@ -1,15 +1,12 @@
 package scanner;
 
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.*;
 import static testutil.TestUtilities.createInputStreamFromString;
 
 import java.io.InputStream;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.*;
 
 import error.ErrorManager;
 import scanner.LispScanner.UnterminatedStringException;

test/token/TokenFactoryTester.java

@@ -2,8 +2,7 @@ package token;
 
 import static org.junit.Assert.assertTrue;
 
-import org.junit.Before;
-import org.junit.Test;
+import org.junit.*;
 
 import file.FilePosition;
 import token.TokenFactory.BadCharacterException;