Fixes bazel config so consumers can use this in bazel.

BUILD

@@ -9,6 +9,7 @@ cc_library(
 
 cc_test(
     name = "tinytest_test",
+    size = "small",
     srcs = ["tinytest_test.cpp"],
     deps = [
         ":tinytest",

WORKSPACE

@@ -21,3 +21,15 @@ http_archive(
     strip_prefix = "googletest-ccdeec888ebb740a7ea4e07d3e84a1b7ee32b315",
     urls = ["https://github.com/google/googletest/archive/ccdeec888ebb740a7ea4e07d3e84a1b7ee32b315.zip"],
 )
+
+http_archive(
+    name = "com_google_absl",
+    strip_prefix = "abseil-cpp-b971ac5250ea8de900eae9f95e06548d14cd95fe",
+    urls = ["https://github.com/abseil/abseil-cpp/archive/b971ac5250ea8de900eae9f95e06548d14cd95fe.zip"],
+)
+
+http_archive(
+    name = "bazel_skylib",
+    sha256 = "f7be3474d42aae265405a592bb7da8e171919d74c16f082a5457840f06054728",
+    urls = ["https://github.com/bazelbuild/bazel-skylib/releases/download/1.2.1/bazel-skylib-1.2.1.tar.gz"],
+)