Fixed String Interpolation Tests

Author: flashspys

Tests/SwiftSyntaxBuilderTest/StringInterpolationTests.swift

@@ -436,6 +436,7 @@ final class StringInterpolationTests: XCTestCase {
 
         1 │ return 1
           │ │       ╰─ error: expected declaration
+          │ │         🔨 insert declaration
           │ ╰─ error: unexpected code 'return 1' before declaration
 
         """
@@ -454,6 +455,7 @@ final class StringInterpolationTests: XCTestCase {
 
         1 │ struct Foo {}
           │ │            ╰─ error: expected statement
+          │ │              🔨 insert statement
           │ ╰─ error: unexpected code 'struct Foo {}' before statement
 
         """