Tweak build

build.zig

@@ -13,7 +13,6 @@ pub fn build(b: *std.Build) void {
         .name = "zig_squashfs",
         .root_module = lib_mod,
     });
-    b.installArtifact(lib);
     const exe_mod = b.createModule(.{
         .root_source_file = b.path("src/main.zig"),
         .target = target,
@@ -21,14 +20,20 @@ pub fn build(b: *std.Build) void {
     });
     const exe = b.addExecutable(.{
         .linkage = .static,
-        .name = "unsquashfs",
+        .name = "zig-unsquashfs",
         .root_module = exe_mod,
     });
+    b.installArtifact(lib);
     b.installArtifact(exe);
     const lib_unit_tests = b.addTest(.{
         .root_module = lib_mod,
     });
+    const exe_unit_test = b.addTest(.{
+        .root_module = exe_mod,
+    });
     const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
+    const run_exe_unit_tests = b.addRunArtifact(exe_unit_test);
     const test_step = b.step("test", "Run unit tests");
     test_step.dependOn(&run_lib_unit_tests.step);
+    test_step.dependOn(&run_exe_unit_tests.step);
 }