Update other tests to handle trailing comma

Author: mateusrodriguesxyz

test/Parse/availability_query_unavailability.swift

@@ -80,9 +80,6 @@ if #unavailable(OSX 10.51, iOS 8.0) {
 if #unavailable(OSX 10.51, { // expected-error {{expected platform name}} // expected-error {{expected ')'}} expected-note {{to match this opening '('}}
 }
 
-if #unavailable(OSX 10.51,) { // expected-error {{expected platform name}}
-}
-
 if #unavailable(OSX 10.51, iOS { // expected-error {{expected version number}} // expected-error {{expected ')'}} expected-note {{to match this opening '('}}
 }
 

test/Parse/ifconfig_expr.swift

@@ -166,10 +166,6 @@ func canImportVersioned() {
 #if canImport(A, unknown: 2.2) // expected-error {{2nd parameter of canImport should be labeled as _version or _underlyingVersion}}
   let a = 1
 #endif
-
-#if canImport(A,) // expected-error {{unexpected ',' separator}}
-  let a = 1
-#endif
 
 #if canImport(A, 2.2) // expected-error {{2nd parameter of canImport should be labeled as _version or _underlyingVersion}}
   let a = 1

test/Parse/invalid.swift

@@ -76,12 +76,6 @@ do {
   func g() { f(Starfish(), Salmon()) }
 }
 
-// https://github.com/apple/swift/issues/43313
-do {
-  func f(_ a: Int, b: Int) {}
-  f(1, b: 2,) // expected-error {{unexpected ',' separator}}
-}
-
 // https://github.com/apple/swift/issues/43591
 // Two inout crash compiler