conflicting names when package is implicit

integrated_tests/imported_message/build.rs

@@ -2,6 +2,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     tonic_build::configure().include_file("mod.rs").compile(
         &[
             "primary/primary.proto",
+            "primary/rectangle.proto",
             "imported/imported.proto",
             "zimported/zimported.proto",
         ],

integrated_tests/imported_message/primary/primary.proto

@@ -8,7 +8,7 @@ option java_multiple_files = true;
 option java_package = "io.grpc.examples.primary";
 option java_outer_classname = "PrimaryProto";
 
-import "imported/imported.proto";
+import "primary/rectangle.proto";
 import "zimported/zimported.proto";
 
 package primary;
@@ -17,16 +17,6 @@ service Primary {
   rpc GetRectangle(RectangleLocationRequest) returns (RectangleLocationResponse) {}
 }
 
-// A latitude-longitude rectangle, represented as two diagonally opposite
-// points "lo" and "hi".
-message Rectangle {
-  // One corner of the rectangle.
-  imported.Point lo = 1;
-
-  // The other corner of the rectangle.
-  imported.Point hi = 2;
-}
-
 // A request payload to get a Rectangle.
 message RectangleLocationRequest {
   // The width of the rectangle.

integrated_tests/imported_message/primary/rectangle.proto

@@ -0,0 +1,24 @@
+
+// Copyright 2015 gRPC authors.
+//
+syntax = "proto3";
+
+option go_package = "github.com/pact-foundation/pact-go/v2/examples/grpc/primary";
+option java_multiple_files = true;
+option java_package = "io.grpc.examples.primary";
+option java_outer_classname = "PrimaryProto";
+
+import "imported/imported.proto";
+
+package primary;
+
+
+// A latitude-longitude rectangle, represented as two diagonally opposite
+// points "lo" and "hi".
+message Rectangle {
+  // One corner of the rectangle.
+  imported.Point lo = 1;
+
+  // The other corner of the rectangle.
+  imported.Point hi = 2;
+}