Defined the APICore library in the Libraries package for the Locations target.

Apps/Locations/Libraries/Package.swift

@@ -15,9 +15,21 @@ let package = Package(
     dependencies: [],
     targets: [
         .target(
-            name: "Locations",
+            name: "APICore",
             dependencies: []
         ),
+        .target(
+            name: "Locations",
+            dependencies: [
+                "APICore"
+            ]
+        ),
+        .testTarget(
+            name: "APICoreTests",
+            dependencies: [
+                "APICore"
+            ]
+        ),
         .testTarget(
             name: "LocationsTests",
             dependencies: [

Apps/Locations/Libraries/Sources/APICore/Libraries.swift

@@ -0,0 +1,6 @@
+public struct Libraries {
+    public private(set) var text = "Hello, World!"
+
+    public init() {
+    }
+}

Apps/Locations/Libraries/Tests/APICoreTests/LibrariesTests.swift

@@ -0,0 +1,11 @@
+import XCTest
+@testable import Libraries
+
+final class LibrariesTests: XCTestCase {
+    func testExample() throws {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct
+        // results.
+        XCTAssertEqual(Libraries().text, "Hello, World!")
+    }
+}