Work around some SE-0072 issues.

Without some overlay work, SE-0072 necessitates some ugly transitional casts. We can hopefully clean these up with followup compiler work.

Author: jckarter

Sources/swiftpm-xctest-helper/main.swift

@@ -80,7 +80,7 @@ func run() throws {
         throw Error.couldNotOpenOutputFile(outputFile)
     }
     // Create output dictionary.
-    let output = ["name": "All Tests", "tests": testCases as NSArray] as NSDictionary
+    let output = ["name" as NSString: "All Tests" as NSString, "tests" as NSString: testCases as NSArray] as NSDictionary
     // Convert output dictionary to JSON and write to output file.
     let outputData = try JSONSerialization.data(withJSONObject: output, options: .prettyPrinted)
     file.write(outputData)

Tests/FunctionalTests/SwiftPMXCTestHelperTests.swift

@@ -27,14 +27,14 @@ class SwiftPMXCTestHelperTests: XCTestCase {
                 "tests": [
                 [
                 "name": "ObjCTests",
-                "tests": [["name": "test_example"], ["name": "testThisThing"]]
+                "tests": [["name": "test_example"], ["name": "testThisThing"]] as Array<Dictionary<String, String>>
                 ],
                 [
                 "name": "SwiftPMXCTestHelperTests.SwiftPMXCTestHelperTests1",
-                "tests": [["name": "test_Example2"], ["name": "testExample1"]]
+                "tests": [["name": "test_Example2"], ["name": "testExample1"]] as Array<Dictionary<String, String>>
                 ]
-              ]]]
-            ] as NSDictionary
+              ] as Array<Dictionary<String, Any>>]] as Array<Dictionary<String, Any>>
+            ] as Dictionary<String, Any> as NSDictionary
             // Run the XCTest helper tool and check result.
             XCTAssertXCTestHelper(prefix.appending(components: ".build", "debug", "SwiftPMXCTestHelperTests.xctest"), testCases: testCases)
         }