chore: add comments to biffurcate test cases

Author: som-sm

test/prefer-string-raw.js

@@ -45,15 +45,22 @@ test.snapshot({
 
 test.snapshot({
 	valid: [
+		// No backslash
 		'a = `a`',
 		'a = `${foo}`',
 		'a = `a${100}b`',
-		'a = `a\\t${foo.bar}b\\\\c`',
-		'a = `${foo}\\\\a${bar}\\``',
-		'a = `a\\${`',
-		'a = `${a}\\\'${b}\\\\`',
-		'a = `\\"a\\\\b`',
+
+		// Escaped characters other than backslash
+		'a = `a\\t${foo.bar}b\\\\c`', // \t
+		'a = `${foo}\\\\a${bar}\\``', // \`
+		'a = `a\\${`', // \$
+		'a = `${a}\\\'${b}\\\\`', // \'
+		'a = `\\"a\\\\b`', // \"
+
+		// Ending with backslash
 		'a = `\\\\a${foo}b\\\\${foo}`',
+
+		// Multiline
 		outdent`
 			a = \`\\\\a \\
 			b\`