default to paragraph, and

packages/block-library/src/fit-text/block.json

@@ -16,7 +16,7 @@
 		},
 		"level": {
 			"type": "number",
-			"default": 2
+			"default": 0
 		},
 		"levelOptions": {
 			"type": "array",

packages/block-library/src/fit-text/edit.js

@@ -154,7 +154,6 @@ export default function FitTextEdit( {
 				placeholder={ __( 'Add text…' ) }
 				value={ content }
 				onChange={ ( value ) => setAttributes( { content: value } ) }
-				allowedFormats={ [] }
 				disableLineBreaks
 				__unstableOnSplitAtEnd={ () =>
 					insertBlocksAfter( createBlock( getDefaultBlockName() ) )

test/integration/fixtures/blocks/core__fit-text.html

@@ -1,3 +1,3 @@
 <!-- wp:fit-text -->
-<h2 class="wp-block-fit-text">Fit Text</h2>
+<p class="wp-block-fit-text">Fit Text</p>
 <!-- /wp:fit-text -->

test/integration/fixtures/blocks/core__fit-text.json

@@ -4,7 +4,7 @@
 		"isValid": true,
 		"attributes": {
 			"content": "Fit Text",
-			"level": 2,
+			"level": 0,
 			"levelOptions": [ 0, 1, 2, 3, 4, 5, 6 ]
 		},
 		"innerBlocks": []

test/integration/fixtures/blocks/core__fit-text.parsed.json

@@ -3,7 +3,7 @@
 		"blockName": "core/fit-text",
 		"attrs": {},
 		"innerBlocks": [],
-		"innerHTML": "\n<h2 class=\"wp-block-fit-text\">Fit Text</h2>\n",
-		"innerContent": [ "\n<h2 class=\"wp-block-fit-text\">Fit Text</h2>\n" ]
+		"innerHTML": "\n<p class=\"wp-block-fit-text\">Fit Text</p>\n",
+		"innerContent": [ "\n<p class=\"wp-block-fit-text\">Fit Text</p>\n" ]
 	}
 ]

test/integration/fixtures/blocks/core__fit-text.serialized.html

@@ -1,3 +1,3 @@
 <!-- wp:fit-text -->
-<h2 class="wp-block-fit-text">Fit Text</h2>
+<p class="wp-block-fit-text">Fit Text</p>
 <!-- /wp:fit-text -->