switch back to docker

Tests/AppTests/AppTests.swift

@@ -0,0 +1,12 @@
+import XCTest
+@testable import App
+
+class AppTests: XCTestCase {
+    func testStub() throws {
+        XCTAssert(true)
+    }
+    
+    static let allTests = [
+        ("testStub", testStub),
+    ]
+}

Tests/LinuxMain.swift

@@ -0,0 +1,11 @@
+#if os(Linux)
+
+import XCTest
+@testable import AppTests
+
+XCTMain([
+    // AppTests
+    testCase(AppTests.allTests),
+])
+
+#endif