Properly clear cache

src/Psalm/Checker/FileChecker.php

@@ -639,5 +639,6 @@ class FileChecker implements StatementsSource
 
         ClassLikeChecker::clearCache();
         FunctionChecker::clearCache();
+        StatementsChecker::clearCache();
     }
 }

src/Psalm/Checker/StatementsChecker.php

@@ -5330,4 +5330,17 @@ class StatementsChecker
     {
         return isset($this->phantom_classes[$class_name]);
     }
+
+    public static function clearCache()
+    {
+        self::$method_call_index = [];
+        self::$reflection_functions = [];
+
+        self::$this_assignments = [];
+        self::$this_calls = [];
+
+        self::$mock_interfaces = [];
+
+        self::$user_constants = [];
+    }
 }

tests/Php70Test.php

@@ -101,7 +101,6 @@ class Php70Test extends PHPUnit_Framework_TestCase
 
     public function testDefineArray()
     {
-        $this->markTestIncomplete('Not yet supported');
         $stmts = self::$_parser->parse('<?php
         define("ANIMALS", [
             "dog",