diff --git a/src/Magento/FunctionalTestingFramework/Test/Objects/ActionObject.php b/src/Magento/FunctionalTestingFramework/Test/Objects/ActionObject.php
index 63cac272f..23e061b63 100644
--- a/src/Magento/FunctionalTestingFramework/Test/Objects/ActionObject.php
+++ b/src/Magento/FunctionalTestingFramework/Test/Objects/ActionObject.php
@@ -227,7 +227,9 @@ public function trimAssertionAttributes()
         $oldAttributes = array_intersect($actionAttributeKeys, ActionObject::OLD_ASSERTION_ATTRIBUTES);
         if (!empty($oldAttributes)) {
             // @codingStandardsIgnoreStart
-            echo("WARNING: Use of one line Assertion actions will be deprecated in MFTF 3.0.0, please use nested syntax (Action: {$this->type} StepKey: {$this->stepKey})" . PHP_EOL);
+            if ($GLOBALS['GENERATE_TESTS'] ?? false == true) {
+                echo("WARNING: Use of one line Assertion actions will be deprecated in MFTF 3.0.0, please use nested syntax (Action: {$this->type} StepKey: {$this->stepKey})" . PHP_EOL);
+            }
             // @codingStandardsIgnoreEnd
             return;
         }
@@ -239,6 +241,29 @@ public function trimAssertionAttributes()
             return;
         }
 
+        $this->validateAssertionSchema($relevantAssertionAttributes);
+
+        // Flatten nested Elements's type and value into key=>value entries
+        foreach ($this->actionAttributes as $key => $subAttributes) {
+            if (in_array($key, $relevantKeys)) {
+                $prefix = ActionObject::ASSERTION_ATTRIBUTES[$key];
+                $this->resolvedCustomAttributes[$prefix . ucfirst(ActionObject::ASSERTION_TYPE_ATTRIBUTE)] =
+                    $subAttributes[ActionObject::ASSERTION_TYPE_ATTRIBUTE];
+                $this->resolvedCustomAttributes[$prefix] =
+                    $subAttributes[ActionObject::ASSERTION_VALUE_ATTRIBUTE];
+                unset($this->actionAttributes[$key]);
+            }
+        }
+    }
+
+    /**
+     * Validates that the given assertion attributes have valid schema according to nested assertion syntax.
+     * @param array $attributes
+     * @return void
+     * @throws TestReferenceException
+     */
+    private function validateAssertionSchema($attributes)
+    {
         /** MQE-683 DEPRECATE OLD METHOD HERE
          * Unnecessary validation, only needed for backwards compatibility
          */
@@ -247,25 +272,13 @@ public function trimAssertionAttributes()
             'assertElementContainsAttribute'];
 
         if (!in_array($this->type, $singleChildTypes)) {
-            if (!in_array('expectedResult', $relevantAssertionAttributes)
-                || !in_array('actualResult', $relevantAssertionAttributes)) {
+            if (!in_array('expectedResult', $attributes)
+                || !in_array('actualResult', $attributes)) {
                 // @codingStandardsIgnoreStart
                 throw new TestReferenceException("{$this->type} must have both an expectedResult and actualResult defined (stepKey: {$this->stepKey})");
                 // @codingStandardsIgnoreEnd
             }
         }
-
-        // Flatten nested Elements's type and value into key=>value entries
-        foreach ($this->actionAttributes as $key => $subAttributes) {
-            if (in_array($key, $relevantKeys)) {
-                $prefix = ActionObject::ASSERTION_ATTRIBUTES[$key];
-                $this->resolvedCustomAttributes[$prefix . ucfirst(ActionObject::ASSERTION_TYPE_ATTRIBUTE)] =
-                    $subAttributes[ActionObject::ASSERTION_TYPE_ATTRIBUTE];
-                $this->resolvedCustomAttributes[$prefix] =
-                    $subAttributes[ActionObject::ASSERTION_VALUE_ATTRIBUTE];
-                unset($this->actionAttributes[$key]);
-            }
-        }
     }
 
     /**
diff --git a/src/Magento/FunctionalTestingFramework/Util/ConfigSanitizerUtil.php b/src/Magento/FunctionalTestingFramework/Util/ConfigSanitizerUtil.php
index 17ce0b77a..c6244ca82 100644
--- a/src/Magento/FunctionalTestingFramework/Util/ConfigSanitizerUtil.php
+++ b/src/Magento/FunctionalTestingFramework/Util/ConfigSanitizerUtil.php
@@ -86,7 +86,8 @@ private static function validateConfigBasedVars($config)
      */
     public static function sanitizeUrl($url)
     {
-        if ($url === "") {
+        $forceGenerate = $GLOBALS['FORCE_PHP_GENERATE'] ?? false;
+        if (strlen($url) == 0 && $forceGenerate === false) {
             trigger_error("MAGENTO_BASE_URL must be defined in .env", E_USER_ERROR);
         }
 
diff --git a/src/Magento/FunctionalTestingFramework/Util/ModuleResolver.php b/src/Magento/FunctionalTestingFramework/Util/ModuleResolver.php
index 8dd5536b8..2377f428a 100644
--- a/src/Magento/FunctionalTestingFramework/Util/ModuleResolver.php
+++ b/src/Magento/FunctionalTestingFramework/Util/ModuleResolver.php
@@ -126,11 +126,12 @@ private function __construct()
      */
     public function getEnabledModules()
     {
+        $testGenerationPhase = $GLOBALS['GENERATE_TESTS'] ?? false;
+
         if (isset($this->enabledModules)) {
             return $this->enabledModules;
         }
 
-        $testGenerationPhase = $GLOBALS['GENERATE_TESTS'] ?? false;
         if ($testGenerationPhase) {
             $this->printMagentoVersionInfo();
         }
@@ -141,7 +142,7 @@ public function getEnabledModules()
             return $this->enabledModules;
         }
 
-        $url = ConfigSanitizerUtil::sanitizeUrl($_ENV['MAGENTO_BASE_URL']) . $this->moduleUrl;
+        $url = ConfigSanitizerUtil::sanitizeUrl(getenv('MAGENTO_BASE_URL')) . $this->moduleUrl;
 
         $headers = [
             'Authorization: Bearer ' . $token,
@@ -252,6 +253,11 @@ private function printMagentoVersionInfo()
         curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
         $response = curl_exec($ch);
+
+        if (!$response) {
+            $response = "No version information available.";
+        }
+
         print "\nVersion Information: {$response}\n";
     }