Add normal autobuild() invocation to catch basic errors

This stops the tests from complaining about the wrong kind of exception
being thrown and just shows us the exception in the event that we've
borked something so badly that `autobuild()` itself just doesn't work at
all.

Author: staticfloat

test/basic.jl

@@ -53,22 +53,37 @@ end
 
 @testset "environment and history saving" begin
     mktempdir() do temp_path
+        # This is a litmus test, to catch any errors before we do a `@test_throws`
+        autobuild(
+            temp_path,
+            "this_will_pass",
+            v"1.0.0",
+            # No sources to speak of
+            FileSource[],
+            # Just exit with code 0
+            """
+            exit 0
+            """,
+            # Build for this platform
+            [platform],
+            # No products
+            Product[],
+            # No depenedencies
+            Dependency[],
+        )
+
         @test_throws ErrorException autobuild(
             temp_path,
             "this_will_fail",
             v"1.0.0",
-            # No sources to speak of
             FileSource[],
             # Simple script that just sets an environment variable
             """
             MARKER=1
             exit 1
             """,
-            # Build for this platform
             [platform],
-            # No products
             Product[],
-            # No depenedencies
             Dependency[],
         )