Adjust for 'try?' changes in Swift 5

bjhomer · web-flow · commit 0a093840586f · 2018-11-16T13:45:57.000-07:00
When 'try?' has an optional sub-expression, it no longer produces a nested optional.
diff --git a/TestFoundation/TestURL.swift b/TestFoundation/TestURL.swift
@@ -35,7 +35,7 @@ private func getTestData() -> [Any]? {
         XCTFail("Unable to deserialize property list data")
         return nil
     }
-    guard let parsingTests = testRoot![kURLTestParsingTestsKey] as? [Any] else {
+    guard let parsingTests = testRoot[kURLTestParsingTestsKey] as? [Any] else {
         XCTFail("Unable to create the parsingTests dictionary")
         return nil
     }

Original file line number	Diff line number	Diff line change
`@@ -35,7 +35,7 @@ private func getTestData() -> [Any]? {`
`35`	`35`	`XCTFail("Unable to deserialize property list data")`
`36`	`36`	`return nil`
`37`	`37`	`}`
`38`		`- guard let parsingTests = testRoot![kURLTestParsingTestsKey] as? [Any] else {`
	`38`	`+ guard let parsingTests = testRoot[kURLTestParsingTestsKey] as? [Any] else {`
`39`	`39`	`XCTFail("Unable to create the parsingTests dictionary")`
`40`	`40`	`return nil`
`41`	`41`	`}`