Add explicit test of published dafny-lang/DafnyRuntimeGo

Source/IntegrationTests/TestFiles/LitTests/LitTest/gomodule/publishedruntime/go.mod

@@ -0,0 +1,5 @@
+module GoModule1
+
+go 1.21
+
+require github.com/dafny-lang/DafnyRuntimeGo/v4 v4.8.0

Source/IntegrationTests/TestFiles/LitTests/LitTest/gomodule/publishedruntime/go.sum

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+github.com/dafny-lang/DafnyRuntimeGo/v4 v4.8.0 h1:ttdCpTQKspK9A/tqE1qnipvjp9IrURS1kC2w47we6GM=
+github.com/dafny-lang/DafnyRuntimeGo/v4 v4.8.0/go.mod h1:l2Tm4N2DKuq3ljONC2vOATeM9PUpXbIc8SgXdwwqEto=

Source/IntegrationTests/TestFiles/LitTests/LitTest/gomodule/publishedruntime/helloworld.dfy

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+// This test consciously depends on the published version of the Go runtime
+// at https://github.com/dafny-lang/DafnyRuntimeGo/v4,
+// to ensure that copy works correctly.
+// The other tests use `replace` directives to test against the local copy.
+// That means if this test fails at some point because Dafny changes
+// its compilation output, it may be necessary to
+// publish a new tag on dafny-lang/DafnyRuntimeGo first before
+// this test can pass, much less a new version of Dafny released.
+
+// RUN: %baredafny translate go  --go-module-name=GoModule1 "%s" --output "%S/test"
+// RUN: %cp -rf "%S/go.mod" "%S/test-go/go.mod"
+// RUN: %cp -rf "%S/go.sum" "%S/test-go/go.sum"
+// RUN: go run -C %S/test-go/ test.go > %t
+// RUN: %diff "%s.expect" "%t"
+module DafnyModule1 {
+
+    method Main() {
+        print "Hello World";
+    }
+}

Source/IntegrationTests/TestFiles/LitTests/LitTest/gomodule/publishedruntime/helloworld.dfy.expect

@@ -0,0 +1 @@
+Hello World