Test: Merge IntegrationTests into Tests

Consolidate all the tests into a single folders.  This change only moves
the IntegrationTests/Sources and IntegrationTests/Tests to their
respective directory.

A subsequent change will find better homes for the tests under
Tests/IntegrationTests.

Author: bkhouri

IntegrationTests/Fixtures/BinaryTargets/Inputs/DynamicLibrary/DynamicLibrary.m renamed to Fixtures/BinaryTargets/Inputs/DynamicLibrary/DynamicLibrary.m

@@ -758,6 +758,12 @@ let package = Package(
                 .unsafeFlags(["-static"]),
             ]
         ),
+        .target(
+            name: "IntegrationTestSupport",
+            dependencies: [
+                .product(name: "TSCTestSupport", package: "swift-tools-support-core"),
+            ]
+        ),
 
         .target(
             /** Test for thread-sanitizer. */
@@ -810,6 +816,14 @@ let package = Package(
             name: "LLBuildManifestTests",
             dependencies: ["Basics", "LLBuildManifest", "_InternalTestSupport"]
         ),
+        .testTarget(
+            name: "IntegrationTests",
+            dependencies: [
+                .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+                .product(name: "TSCTestSupport", package: "swift-tools-support-core"),
+                "IntegrationTestSupport",
+            ]
+        ),
         .testTarget(
             name: "WorkspaceTests",
             dependencies: ["Workspace", "_InternalTestSupport"]
@@ -966,6 +980,7 @@ if ProcessInfo.processInfo.environment["SWIFTCI_DISABLE_SDK_DEPENDENT_TESTS"] ==
                 "dummy-swiftc",
             ]
         ),
+
     ])
 }
 #endif

IntegrationTests/Fixtures/BinaryTargets/Inputs/DynamicLibrary/include/DynamicLibrary.h renamed to Fixtures/BinaryTargets/Inputs/DynamicLibrary/include/DynamicLibrary.h

@@ -160,16 +160,6 @@ def main() -> None:
             shlex.split(f"swift test --configuration {args.config} --parallel {swift_testing_arg} {xctest_arg}"),
         )
 
-    with change_directory(REPO_ROOT_PATH / "IntegrationTests"):
-        call(
-            shlex.split("swift package update"),
-        )
-        call(
-            shlex.split(
-                f"{swiftpm_bin_dir / 'swift-test'} --parallel",
-            ),
-        )
-
     run_bootstrap(swiftpm_bin_dir=swiftpm_bin_dir)