Import headers based on path in the tests project

Part of fixing https://github.com/grpc/grpc/issues/2192

src/objective-c/tests/GRPCClientTests.m

@@ -34,11 +34,11 @@
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
-#import <gRPC/GRPCCall.h>
+#import <GRPCClient/GRPCCall.h>
-#import <gRPC/GRPCMethodName.h>
+#import <GRPCClient/GRPCMethodName.h>
-#import <gRPC/GRXWriter+Immediate.h>
-#import <gRPC/GRXWriteable.h>
 #import <RemoteTest/Messages.pbobjc.h>
+#import <RxLibrary/GRXWriteable.h>
+#import <RxLibrary/GRXWriter+Immediate.h>
 
 // These are a few tests similar to InteropTests, but which use the generic gRPC client (GRPCCall)
 // rather than a generated proto library on top of it.

src/objective-c/tests/InteropTests.m

@@ -36,13 +36,13 @@
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
-#import <gRPC/GRXWriter+Immediate.h>
+#import <ProtoRPC/ProtoRPC.h>
-#import <gRPC/GRXBufferedPipe.h>
-#import <gRPC/ProtoRPC.h>
 #import <RemoteTest/Empty.pbobjc.h>
 #import <RemoteTest/Messages.pbobjc.h>
 #import <RemoteTest/Test.pbobjc.h>
 #import <RemoteTest/Test.pbrpc.h>
+#import <RxLibrary/GRXBufferedPipe.h>
+#import <RxLibrary/GRXWriter+Immediate.h>
 
 // Convenience constructors for the generated proto messages:
 

src/objective-c/tests/LocalClearTextTests.m

@@ -34,12 +34,12 @@
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
-#import <gRPC/GRPCCall.h>
+#import <GRPCClient/GRPCCall.h>
-#import <gRPC/GRPCMethodName.h>
+#import <GRPCClient/GRPCMethodName.h>
-#import <gRPC/GRXWriter+Immediate.h>
-#import <gRPC/GRXWriteable.h>
 #import <RouteGuide/RouteGuide.pbobjc.h>
 #import <RouteGuide/RouteGuide.pbrpc.h>
+#import <RxLibrary/GRXWriteable.h>
+#import <RxLibrary/GRXWriter+Immediate.h>
 
 // These tests require a gRPC "RouteGuide" sample server to be running locally. You can compile and
 // run one by following the instructions here: https://github.com/grpc/grpc-common/blob/master/cpp/cpptutorial.md#try-it-out

src/objective-c/tests/RxLibraryUnitTests.m

@@ -34,9 +34,9 @@
 #import <UIKit/UIKit.h>
 #import <XCTest/XCTest.h>
 
-#import <gRPC/GRXBufferedPipe.h>
+#import <RxLibrary/GRXBufferedPipe.h>
-#import <gRPC/GRXWriter.h>
+#import <RxLibrary/GRXWriteable.h>
-#import <gRPC/GRXWriteable.h>
+#import <RxLibrary/GRXWriter.h>
 
 // A mock of a GRXSingleValueHandler block that can be queried for how many times it was called and
 // what were the last values passed to it.