MQE-235: added codeception Asserts module functions in framework.

Author: jilu1

dev/tests/verification/TestModule/Cest/AssertCest.xml

@@ -27,13 +27,13 @@
             <assertEquals mergeKey="assertEquals2" expected="Copyright © 2013-2017 Magento, Inc. All rights reserved." expectedType="string" actual="text" actualType="variable" message="pass"/>
             <assertFalse mergeKey="assertFalse1" actual="0" actualType="bool" message="pass"/>
             <assertFileNotExists mergeKey="assertFileNotExists1" actual="/out.txt" actualType="string" message="pass"/>
-            <assertFileNotExists mergeKey="assertFileNotExists2" actual="text" actualType="variable" message="pass"/>
+            <assertFileNotExists mergeKey="assertFileNotExists2" actual="$text" actualType="variable" message="pass"/>
             <assertGreaterOrEquals mergeKey="assertGreaterOrEquals" expected="2" expectedType="int" actual="5" actualType="int" message="pass"/>
             <assertGreaterThan mergeKey="assertGreaterThan" expected="2" expectedType="int" actual="5" actualType="int" message="pass"/>
             <assertGreaterThanOrEqual mergeKey="assertGreaterThanOrEqual" expected="2" expectedType="int" actual="5" actualType="int" message="pass"/>
             <assertInternalType mergeKey="assertInternalType1" expected="string" expectedType="string" actual="xyz" actualType="string" message="pass"/>
             <assertInternalType mergeKey="assertInternalType2" expected="int" expectedType="string" actual="21" actualType="int" message="pass"/>
-            <assertInternalType mergeKey="assertInternalType3" expected="string" expectedType="string" actual="text" actualType="variable" message="pass"/>
+            <assertInternalType mergeKey="assertInternalType3" expected="string" expectedType="string" actual="$text" actualType="variable" message="pass"/>
             <assertLessOrEquals mergeKey="assertLessOrEquals" expected="5" expectedType="int" actual="2" actualType="int" message="pass"/>
             <assertLessThan mergeKey="assertLessThan" expected="5" expectedType="int" actual="2" actualType="int" message="pass"/>
             <assertLessThanOrEqual mergeKey="assertLessThanOrEqual" expected="5" expectedType="int" actual="2" actualType="int" message="pass"/>

src/Magento/FunctionalTestingFramework/Util/TestGenerator.php

@@ -1371,7 +1371,7 @@ private function stripWrappedQuotes($input)
      */
     private function addDollarSign($input)
     {
-        return sprintf("$%s", $input);
+        return sprintf("$%s", ltrim($this->stripQuotes($input), '$'));
     }
 
     // @codingStandardsIgnoreStart
@@ -1447,6 +1447,8 @@ private function validateParameterArray($paramArray)
     }
 
     /**
+     * Resolve value based on type.
+     *
      * @param string $value
      * @param string $type
      * @return string
@@ -1508,7 +1510,8 @@ private function toNumber($inStr)
      * @param string $inStr
      * @return string
      */
-    private function stripQuotes($inStr) {
+    private function stripQuotes($inStr)
+    {
         $unquoted = preg_replace('/^(\'(.*)\'|"(.*)")$/', '$2$3', $inStr);
         return $unquoted;
     }