ISTWCMS-6365 Test copy text block alignment options
Added a test to check that the text alignment options Left, Center, and Right exist, and that Left is selected by default. Also check that the correct class is added to the block for each option.
Added a test to check that the text alignment options Left, Center, and Right exist, and that Left is selected by default. Also check that the correct class is added to the block for each option.