Guess not

LinuxMain.swift

@@ -0,0 +1,8 @@
+import XCTest
+
+import SlackKitTests
+
+var tests = [XCTestCaseEntry]()
+tests += SlackKitTests.__allTests()
+
+XCTMain(tests)

SlackKit.xcodeproj/project.pbxproj

@@ -311,7 +311,6 @@
 		26D4E6292220731800A67B67 /* rtm.connect.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = rtm.connect.json; sourceTree = "<group>"; };
 		26D4E62A2220731800A67B67 /* file.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = file.json; sourceTree = "<group>"; };
 		26D4E6362220733F00A67B67 /* SKCoreTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SKCoreTests.swift; sourceTree = "<group>"; };
-		26D4E6372220733F00A67B67 /* XCTestManifests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = XCTestManifests.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -803,7 +802,6 @@
 		26D4E6112220719D00A67B67 /* SlackKitTests */ = {
 			isa = PBXGroup;
 			children = (
-				26D4E6372220733F00A67B67 /* XCTestManifests.swift */,
 				26D4E61A222072BC00A67B67 /* SlackKit */,
 				26D4E61B222072C600A67B67 /* SKClient */,
 				26D4E61C222072D100A67B67 /* SKCore */,

SlackKitTests/XCTestManifests.swift

@@ -0,0 +1,31 @@
+import XCTest
+
+extension SKClientTests {
+    static let __allTests = [
+        ("testMemberJoinedChannel", testMemberJoinedChannel),
+        ("testMemberLeftChannel", testMemberLeftChannel),
+    ]
+}
+
+extension SKCoreTests {
+    static let __allTests = [
+        ("testChannel", testChannel),
+        ("testConversation", testConversation),
+        ("testEvents", testEvents),
+        ("testFile", testFile),
+        ("testGroup", testGroup),
+        ("testIm", testIm),
+        ("testMpim", testMpim),
+        ("testUser", testUser),
+        ("testUserGroup", testUserGroup),
+    ]
+}
+
+#if !os(macOS)
+public func __allTests() -> [XCTestCaseEntry] {
+    return [
+        testCase(SKClientTests.__allTests),
+        testCase(SKCoreTests.__allTests),
+    ]
+}
+#endif

azure-pipelines.yml

@@ -81,5 +81,4 @@ jobs:
       # Swift build
       $(Build.SourcesDirectory)/swift-4.2.1-RELEASE-ubuntu16.04/usr/bin/swift build
       # Swift test
-      $(Build.SourcesDirectory)/swift-4.2.1-RELEASE-ubuntu16.04/usr/bin/swift test --generate-linuxmain
       $(Build.SourcesDirectory)/swift-4.2.1-RELEASE-ubuntu16.04/usr/bin/swift test