Swift 5.3. Test clearup.

Author: BB9z

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.0
+// swift-tools-version:5.3
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription

Tests/B9MulticastDelegateTests/B9MulticastDelegateTests.swift

@@ -133,14 +133,6 @@ final class B9MulticastDelegateTests: XCTestCase {
         }
         XCTAssertEqual(errorCount, 1)
     }
-
-    static var allTests = [
-        ("testAddAndRemove", testAddAndRemove),
-        ("testSwiftObjContains", testSwiftObjContains),
-        ("testNSObjectContains", testNSObjectContains),
-        ("testWeakRef", testWeakRef),
-        ("testInvokeErrorHandling", testInvokeErrorHandling),
-    ]
 }
 
 // MARK: -