Add explicit XCTestCaseType conformance to test cases

XCTestCaseProvider->XCTestCaseType for tests

Author: briancroom

Tests/Functional/ErrorHandling/main.swift

@@ -26,7 +26,7 @@
     import SwiftXCTest
 #endif
 
-class ErrorHandling: XCTestCase {
+class ErrorHandling: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> ())] {
         return [
             // Tests for XCTAssertThrowsError

Tests/Functional/FailingTestSuite/main.swift

@@ -21,7 +21,7 @@
     import SwiftXCTest
 #endif
 
-class PassingTestCase: XCTestCase {
+class PassingTestCase: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> ())] {
         return [
             ("test_passes", test_passes),
@@ -33,7 +33,7 @@ class PassingTestCase: XCTestCase {
     }
 }
 
-class FailingTestCase: XCTestCase {
+class FailingTestCase: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> ())] {
         return [
             ("test_passes", test_passes),

Tests/Functional/NegativeAccuracyTestCase/main.swift

@@ -21,7 +21,7 @@
 #endif
 
 // Regression test for https://github.com/apple/swift-corelibs-xctest/pull/7
-class NegativeAccuracyTestCase: XCTestCase {
+class NegativeAccuracyTestCase: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> ())] {
         return [
             ("test_equalWithAccuracy_passes", test_equalWithAccuracy_passes),

Tests/Functional/SetUpTearDownTestCase/main.swift

@@ -15,7 +15,7 @@
     import SwiftXCTest
 #endif
 
-class SetUpTearDownTestCase: XCTestCase {
+class SetUpTearDownTestCase: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> Void)] {
         return [
             ("test_hasValueFromSetUp", test_hasValueFromSetUp),

Tests/Functional/SingleFailingTestCase/main.swift

@@ -13,7 +13,7 @@
     import SwiftXCTest
 #endif
 
-class SingleFailingTestCase: XCTestCase {
+class SingleFailingTestCase: XCTestCase, XCTestCaseType {
     var allTests: [(String, () throws -> ())] {
         return [
             ("test_fails", test_fails),