Migrate DependencyResolutionTests to Swift Testing

Migrate the Dependency Resolution tests to Swift Testing and augment
them to buid against the SwiftBuild build system

Author: bkhouri

.swift-format

@@ -0,0 +1,11 @@
+{
+    "version": 1,
+    "lineLength": 10000,
+    "indentation": {
+        "spaces": 4
+    },
+    "lineBreakBeforeEachArgument": true,
+    "rules": {
+    },
+    "tabWidth": 4
+}

Sources/_InternalTestSupport/SwiftTesting+Tags.swift

@@ -27,9 +27,11 @@ extension Tag.Feature {
     public enum PackageType {}
 
     @Tag public static var CodeCoverage: Tag
+    @Tag public static var Mirror: Tag
     @Tag public static var Resource: Tag
     @Tag public static var SpecialCharacters: Tag
     @Tag public static var Traits: Tag
+
 }
 
 extension Tag.Feature.Command {
@@ -40,10 +42,13 @@ extension Tag.Feature.Command {
 }
 
 extension Tag.Feature.Command.Package {
+    @Tag public static var Config: Tag
     @Tag public static var Init: Tag
     @Tag public static var DumpPackage: Tag
     @Tag public static var DumpSymbolGraph: Tag
     @Tag public static var Plugin: Tag
+    @Tag public static var ShowDependencies: Tag
+    @Tag public static var Update: Tag
 }
 
 extension Tag.Feature.PackageType {