chore: fix intellij errors (#2483)

Having a go.mod file with a broken version makes Intellij throw constant
errors.

This fixes is by changing the name and renaming it back in a temp
directory as part of the test.

internal/buildengine/build_go_test.go

@@ -1,9 +1,7 @@
 package buildengine
 
 import (
-	"fmt"
 	"os"
-	"runtime"
 	"testing"
 
 	"github.com/alecthomas/assert/v2"
@@ -47,32 +45,6 @@ func TestExternalType(t *testing.T) {
 	})
 }
 
-func TestGoModVersion(t *testing.T) {
-	if testing.Short() {
-		t.SkipNow()
-	}
-	sch := &schema.Schema{
-		Modules: []*schema.Module{
-			schema.Builtins(),
-			{Name: "highgoversion", Decls: []schema.Decl{
-				&schema.Data{Name: "EchoReq"},
-				&schema.Data{Name: "EchoResp"},
-				&schema.Verb{
-					Name:     "echo",
-					Request:  &schema.Ref{Name: "EchoRequest"},
-					Response: &schema.Ref{Name: "EchoResponse"},
-				},
-			}},
-		},
-	}
-	bctx := buildContext{
-		moduleDir: "testdata/highgoversion",
-		buildDir:  ".ftl",
-		sch:       sch,
-	}
-	testBuild(t, bctx, fmt.Sprintf("go version %q is not recent enough for this module, needs minimum version \"9000.1.1\"", runtime.Version()[2:]), "", []assertion{})
-}
-
 func TestGeneratedTypeRegistry(t *testing.T) {
 	if testing.Short() {
 		t.SkipNow()

internal/buildengine/discover_test.go

@@ -137,19 +137,6 @@ func TestDiscoverModules(t *testing.T) {
 				},
 			},
 		},
-		{
-			Config: moduleconfig.ModuleConfig{
-				Dir:       "testdata/highgoversion",
-				Language:  "go",
-				Realm:     "home",
-				Module:    "highgoversion",
-				Deploy:    []string{"main"},
-				DeployDir: ".ftl",
-				Schema:    "schema.pb",
-				Errors:    "errors.pb",
-				Watch:     []string{"**/*.go", "go.mod", "go.sum", "../../../../go-runtime/ftl/**/*.go"},
-			},
-		},
 		{
 			Config: moduleconfig.ModuleConfig{
 				Dir:       "testdata/integer",