Clean up the test suit.

Author: SpacePossum

composer.json

@@ -25,6 +25,11 @@
             "src/"
         ]
     },
+    "autoload-dev": {
+        "classmap": [
+            "tests/"
+        ]
+    },
     "extra": {
         "branch-alias": {
             "dev-master": "2.0-dev"

src/Differ.php

@@ -10,6 +10,7 @@
 
 namespace SebastianBergmann\Diff;
 
+use SebastianBergmann\Diff\InvalidArgumentException;
 use SebastianBergmann\Diff\Output\DiffOutputBuilderInterface;
 use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
 
@@ -105,13 +106,13 @@ public function diffToArray($from, $to, LongestCommonSubsequenceCalculator $lcs
         if (\is_string($from)) {
             $from = $this->splitStringByLines($from);
         } elseif (!\is_array($from)) {
-            throw new \InvalidArgumentException('"from" must be an array or string.');
+            throw new InvalidArgumentException('"from" must be an array or string.');
         }
 
         if (\is_string($to)) {
             $to = $this->splitStringByLines($to);
         } elseif (!\is_array($to)) {
-            throw new \InvalidArgumentException('"to" must be an array or string.');
+            throw new InvalidArgumentException('"to" must be an array or string.');
         }
 
         list($from, $to, $start, $end) = self::getArrayDiffParted($from, $to);

src/Output/DiffOnlyOutputBuilder.php

@@ -7,6 +7,7 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+
 namespace SebastianBergmann\Diff\Output;
 
 /**

src/Output/DiffOutputBuilderInterface.php

@@ -7,6 +7,7 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
+
 namespace SebastianBergmann\Diff\Output;
 
 /**