Remove index fixture (#65)

We can generate one of these in the bazel build. Primarily doing this
just in case the format changes since what we care about is the current
version of the code can read the current version of the index store, we
don't care if the old version still works.

Signed-off-by: Keith Smiley <keithbsmiley@gmail.com>

Author: keith

Package.swift

@@ -49,7 +49,7 @@ let package = Package(
     targets: [
         .target(name: "CIndexStore"),
         .target(name: "IndexStore", dependencies: ["CIndexStore"], linkerSettings: indexLinkerSettings),
-        .testTarget(name: "IndexStoreTests", dependencies: ["IndexStore"], exclude: ["BUILD", "Data"]),
+        .testTarget(name: "IndexStoreTests", dependencies: ["IndexStore"], exclude: ["BUILD"]),
         .target(
             name: "CSwiftDemangle",
             cxxSettings: [.headerSearchPath("PrivateHeaders/include")],

Tests/IndexStoreTests/BUILD

@@ -1,14 +1,26 @@
-load("@build_bazel_rules_swift//swift:swift.bzl", "swift_test")
+load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library", "swift_test")
+
+swift_library(
+    name = "dummy",
+    testonly = True,
+    srcs = ["dummy.swift"],
+    features = ["swift.index_while_building"],
+)
+
+filegroup(
+    name = "dummy-index",
+    testonly = True,
+    srcs = [":dummy"],
+    output_group = "swift_index_store",
+)
 
 swift_test(
     name = "IndexStoreTests",
     srcs = [
         "DetermineIndexStorePath.swift",
         "IndexStoreTests.swift",
     ],
-    data = glob([
-        "Data/**",
-    ]),
+    data = [":dummy-index"],
     deps = [
         "//:IndexStore",
     ],