diff --git a/internal/ast/ast.go b/internal/ast/ast.go
index 91813b4c2d3..78e589f0ec7 100644
--- a/internal/ast/ast.go
+++ b/internal/ast/ast.go
@@ -9176,9 +9176,9 @@ func (f *NodeFactory) NewJsxNamespacedName(namespace *IdentifierNode, name *Iden
 	return f.newNode(KindJsxNamespacedName, data)
 }
 
-func (f *NodeFactory) UpdateJsxNamespacedName(node *JsxNamespacedName, name *IdentifierNode, namespace *IdentifierNode) *Node {
-	if name != node.name || namespace != node.Namespace {
-		return updateNode(f.NewJsxNamespacedName(name, namespace), node.AsNode(), f.hooks)
+func (f *NodeFactory) UpdateJsxNamespacedName(node *JsxNamespacedName, namespace *IdentifierNode, name *IdentifierNode) *Node {
+	if namespace != node.Namespace || name != node.name {
+		return updateNode(f.NewJsxNamespacedName(namespace, name), node.AsNode(), f.hooks)
 	}
 	return node.AsNode()
 }
@@ -9188,7 +9188,7 @@ func (node *JsxNamespacedName) ForEachChild(v Visitor) bool {
 }
 
 func (node *JsxNamespacedName) VisitEachChild(v *NodeVisitor) *Node {
-	return v.Factory.UpdateJsxNamespacedName(node, v.visitNode(node.name), v.visitNode(node.Namespace))
+	return v.Factory.UpdateJsxNamespacedName(node, v.visitNode(node.Namespace), v.visitNode(node.name))
 }
 
 func (node *JsxNamespacedName) Clone(f NodeFactoryCoercible) *Node {
diff --git a/internal/fourslash/_scripts/convertFourslash.mts b/internal/fourslash/_scripts/convertFourslash.mts
index 83a8993c35b..363ae90d5dc 100755
--- a/internal/fourslash/_scripts/convertFourslash.mts
+++ b/internal/fourslash/_scripts/convertFourslash.mts
@@ -3374,9 +3374,9 @@ function generateQuickInfoCommand({ kind, marker, text, docs }: VerifyQuickInfoC
 }
 
 function generateOrganizeImports({ expectedContent, mode, preferences }: VerifyOrganizeImportsCmd): string {
-    return `f.VerifyOrganizeImports(t, 
-        ${getGoMultiLineStringLiteral(expectedContent)}, 
-        ${mode}, 
+    return `f.VerifyOrganizeImports(t,
+        ${getGoMultiLineStringLiteral(expectedContent)},
+        ${mode},
         ${preferences},
     )`;
 }
@@ -3606,9 +3606,9 @@ function generateCmd(cmd: Cmd): string {
         case "verifyErrorExistsAtRange":
             return `f.VerifyErrorExistsAtRange(t, ${cmd.range}, ${cmd.code}, ${getGoStringLiteral(cmd.message)})`;
         case "verifyCurrentLineContentIs":
-            return `f.VerifyCurrentLineContentIs(t, ${getGoStringLiteral(cmd.text)})`;
+            return `f.VerifyCurrentLineContent(t, ${getGoStringLiteral(cmd.text)})`;
         case "verifyCurrentFileContentIs":
-            return `f.VerifyCurrentFileContentIs(t, ${getGoStringLiteral(cmd.text)})`;
+            return `f.VerifyCurrentFileContent(t, ${getGoStringLiteral(cmd.text)})`;
         case "verifyErrorExistsBetweenMarkers":
             return `f.VerifyErrorExistsBetweenMarkers(t, ${getGoStringLiteral(cmd.startMarker)}, ${getGoStringLiteral(cmd.endMarker)})`;
         case "verifyErrorExistsAfterMarker":
diff --git a/internal/fourslash/_scripts/crashingTests.txt b/internal/fourslash/_scripts/crashingTests.txt
index fe0c6c212a5..e48faa1019f 100644
--- a/internal/fourslash/_scripts/crashingTests.txt
+++ b/internal/fourslash/_scripts/crashingTests.txt
@@ -1,4 +1,3 @@
 TestFindReferencesBindingPatternInJsdocNoCrash1
 TestFindReferencesBindingPatternInJsdocNoCrash2
-TestFormattingJsxTexts4
 TestQuickInfoBindingPatternInJsdocNoCrash1
diff --git a/internal/fourslash/fourslash.go b/internal/fourslash/fourslash.go
index b8575b19336..6cee0b0aef0 100644
--- a/internal/fourslash/fourslash.go
+++ b/internal/fourslash/fourslash.go
@@ -108,12 +108,7 @@ func (s *scriptInfo) GetLineContent(line int) string {
 		end = core.TextPos(len(s.content))
 	}
 
-	// delete trailing newline
-	content := s.content[start:end]
-	if len(content) > 0 && content[len(content)-1] == '\n' {
-		content = content[:len(content)-1]
-	}
-	return content
+	return strings.TrimRight(s.content[start:end], "\r\n")
 }
 
 const rootDir = "/"
@@ -4204,30 +4199,6 @@ func (f *FourslashTest) VerifyErrorExistsAtRange(t *testing.T, rangeMarker *Rang
 	t.Fatalf("Expected error with code %d at range %v but it was not found", code, rangeMarker.LSRange)
 }
 
-// VerifyCurrentLineContentIs verifies that the current line content matches the expected text.
-func (f *FourslashTest) VerifyCurrentLineContentIs(t *testing.T, expectedText string) {
-	script := f.getScriptInfo(f.activeFilename)
-	lines := strings.Split(script.content, "\n")
-	lineNum := int(f.currentCaretPosition.Line)
-	if lineNum >= len(lines) {
-		t.Fatalf("Current line %d is out of range (file has %d lines)", lineNum, len(lines))
-	}
-	actualLine := lines[lineNum]
-	// Handle \r if present
-	actualLine = strings.TrimSuffix(actualLine, "\r")
-	if actualLine != expectedText {
-		t.Fatalf("Current line content mismatch.\nExpected: %q\nActual: %q", expectedText, actualLine)
-	}
-}
-
-// VerifyCurrentFileContentIs verifies that the current file content matches the expected text.
-func (f *FourslashTest) VerifyCurrentFileContentIs(t *testing.T, expectedText string) {
-	script := f.getScriptInfo(f.activeFilename)
-	if script.content != expectedText {
-		t.Fatalf("Current file content mismatch.\nExpected: %q\nActual: %q", expectedText, script.content)
-	}
-}
-
 // VerifyErrorExistsBetweenMarkers verifies that an error exists between the two markers.
 func (f *FourslashTest) VerifyErrorExistsBetweenMarkers(t *testing.T, startMarkerName string, endMarkerName string) {
 	startMarker, ok := f.testData.MarkerPositions[startMarkerName]
diff --git a/internal/fourslash/tests/formatDocumentNoCrashJsxNamespacedName1_test.go b/internal/fourslash/tests/formatDocumentNoCrashJsxNamespacedName1_test.go
new file mode 100644
index 00000000000..669cfb8ea47
--- /dev/null
+++ b/internal/fourslash/tests/formatDocumentNoCrashJsxNamespacedName1_test.go
@@ -0,0 +1,20 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+func TestFormatDocumentNoCrashJsxNamespacedName1(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `// @Filename: /a.tsx
+const x = <foo:bar />;
+`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+	f.FormatDocument(t, "")
+	f.VerifyCurrentFileContent(t, "const x = <foo:bar />;\n")
+}