MAGETWO-54934: Output meaningful error message to the CLI during static content deploy

Author: Oleksandr Iegorov

lib/internal/Magento/Framework/Css/Test/Unit/PreProcessor/Adapter/Less/ProcessorTest.php

@@ -81,7 +81,7 @@ protected function setUp()
      * Test for processContent method (exception)
      *
      * @expectedException \Magento\Framework\View\Asset\ContentProcessorException
-     * @expectedExceptionMessageRegExp (Compilation from source:.*Test exception)
+     * @expectedExceptionMessageRegExp (Test exception)
      */
     public function testProcessContentException()
     {
@@ -96,12 +96,6 @@ public function testProcessContentException()
             ->with($assetMock)
             ->willThrowException(new \Exception(self::ERROR_MESSAGE));
 
-        $this->loggerMock->expects(self::once())
-            ->method('critical')
-            ->with(
-                PHP_EOL . Processor::ERROR_MESSAGE_PREFIX . PHP_EOL . self::ASSET_PATH  . PHP_EOL . self::ERROR_MESSAGE
-            );
-
         $this->temporaryFileMock->expects(self::never())
             ->method('createFile');