fixed format issues

Author: Wang Lun

Tests/SourceKitLSPTests/SwiftInterfaceTests.swift

@@ -229,10 +229,9 @@ final class SwiftInterfaceTests: XCTestCase {
       )
     let referenceDocumentUri = try XCTUnwrap(response?.locations?.only).uri
     let referenceDocument = try await project.testClient.send(GetReferenceDocumentRequest(uri: referenceDocumentUri))
-
     let stringIndex = try XCTUnwrap(referenceDocument.content.firstRange(of: "-> String"))
     let (stringLine, stringColumn) = LineTable(referenceDocument.content)
-          .lineAndUTF16ColumnOf(referenceDocument.content.index(stringIndex.lowerBound, offsetBy: 3))
+      .lineAndUTF16ColumnOf(referenceDocument.content.index(stringIndex.lowerBound, offsetBy: 3))
     project.testClient.send(
       DidOpenTextDocumentNotification(
         textDocument: TextDocumentItem(
@@ -246,7 +245,7 @@ final class SwiftInterfaceTests: XCTestCase {
     let hover = try await project.testClient.send(
       HoverRequest(
         textDocument: TextDocumentIdentifier(referenceDocumentUri),
-        position: Position(line: stringLine, utf16index: stringColumn)   
+        position: Position(line: stringLine, utf16index: stringColumn)
       )
     )
     XCTAssertNotNil(hover)