Added test case for missing both colon and rhs expression in ternary operator

Author: TTOzzi

Tests/SwiftParserTest/translated/InvalidIfExprTests.swift

@@ -80,4 +80,16 @@ final class InvalidIfExprTests: XCTestCase {
       fixedSource: "foo ? 1 : 2"
     )
   }
+  
+  func testInvalidIfExpr6() {
+    assertParse(
+      """
+      foo ? 1 1️⃣
+      """,
+      diagnostics: [
+        DiagnosticSpec(message: "expected ':' and expression after '? ...' in ternary expression", fixIts: ["insert ':' and expression"])
+      ],
+      fixedSource: "foo ? 1 : <#expression#>"
+    )
+  }
 }