test fix (the test is still broken, but at least it doesn't hang)

Tests/PerfectSMTPTests/PerfectSMTPTests.swift

@@ -5,61 +5,62 @@ import PerfectCURL
 @testable import PerfectSMTP
 
 class PerfectSMTPTests: XCTestCase {
-    func testExample() {
-      let email = EMail(client: SMTPClient(url: "smtp://smtp.gmx.com", username: "judysmith1964@gmx.com", password:"yourpassword"))
-      email.subject = "hello"
-      email.from = Recipient(name: "Judith Smith", address: "judysmith1964@gmx.com")
-      email.content = "<h1>这是一个测试</h1><hr><img src='http://www.perfect.org/images/perfect-logo-2-0.svg'>"
-      email.to.append(email.from)
-      email.cc.append(Recipient(address: "rockywei@gmx.com"))
-
-      do {
-        let fa = File("/tmp/hello.txt")
-        try fa.open(.write)
-        try fa.write(string: "Hello, World!")
-        fa.close()
-        let fb = File("/tmp/hola.txt")
-        try fb.open(.write)
-        try fb.write(string: "中国🇨🇳Canada🇨🇦")
-        fb.close()
-        email.attachments.append("/tmp/hello.txt")
-        email.attachments.append("/tmp/hola.txt")
-        email.debug = true
-        let curl = CURL(url: "https://homepages.cae.wisc.edu/~ece533/images/watch.png")
-        print("download test example attachements ...")
-        let r = curl.performFully()
-        print("done.\n")
-        if r.0 == 0 {
-          let fc = File("/tmp/watch.png")
-          try fc.open(.write)
-          try fc.write(bytes: r.2)
-          fc.close()
-          email.attachments.append("/tmp/watch.png")
-        }
-        let x = self.expectation(description: "sending mail")
-        print("sending email now...")
-        try email.send { code, header, body in
-          print(code)
-          print(header)
-          print(body)
-          x.fulfill()
-        }//end send
-      }catch(let err) {
-        XCTFail("\(err)")
-      }
-      self.waitForExpectations(timeout: 60) { err in
-        if let timeoutErr = err {
-          XCTFail("time out \(timeoutErr.localizedDescription)")
-        }else{
-          print("email sent.")
-        }//end if
-      }
-    }
-
-
-    static var allTests : [(String, (PerfectSMTPTests) -> () throws -> Void)] {
-        return [
-            ("testExample", testExample),
-        ]
-    }
+	func testExample() {
+		let email = EMail(client: SMTPClient(url: "smtp://smtp.gmx.com", username: "judysmith1964@gmx.com", password:"yourpassword"))
+		email.subject = "hello"
+		email.from = Recipient(name: "Judith Smith", address: "judysmith1964@gmx.com")
+		email.content = "<h1>这是一个测试</h1><hr><img src='http://www.perfect.org/images/perfect-logo-2-0.svg'>"
+		email.to.append(email.from)
+		email.cc.append(Recipient(address: "rockywei@gmx.com"))
+
+		let x = self.expectation(description: "sending mail")
+		do {
+			let fa = File("/tmp/hello.txt")
+			try fa.open(.write)
+			try fa.write(string: "Hello, World!")
+			fa.close()
+			let fb = File("/tmp/hola.txt")
+			try fb.open(.write)
+			try fb.write(string: "中国🇨🇳Canada🇨🇦")
+			fb.close()
+			email.attachments.append("/tmp/hello.txt")
+			email.attachments.append("/tmp/hola.txt")
+			email.debug = true
+			let curl = CURL(url: "https://homepages.cae.wisc.edu/~ece533/images/watch.png")
+			print("download test example attachements ...")
+			let r = curl.performFully()
+			print("done.\n")
+			if r.0 == 0 {
+				let fc = File("/tmp/watch.png")
+				try fc.open(.write)
+				try fc.write(bytes: r.2)
+				fc.close()
+				email.attachments.append("/tmp/watch.png")
+			}
+			print("sending email now...")
+			try email.send { code, header, body in
+				print(code)
+				print(header)
+				print(body)
+				x.fulfill()
+			}//end send
+		} catch(let err) {
+			XCTFail("\(err)")
+			x.fulfill()
+		}
+		self.waitForExpectations(timeout: 60) { err in
+			if let timeoutErr = err {
+				XCTFail("time out \(timeoutErr.localizedDescription)")
+			}else{
+				print("email sent.")
+			}//end if
+		}
+	}
+
+
+	static var allTests : [(String, (PerfectSMTPTests) -> () throws -> Void)] {
+		return [
+			("testExample", testExample),
+		]
+	}
 }