[tests] Add .NET makefiles for bindings-test. (#12712)

tests/bindings-test/dotnet/MacCatalyst/Makefile

@@ -0,0 +1 @@
+include ../shared.mk

tests/bindings-test/dotnet/iOS/Makefile

@@ -0,0 +1 @@
+include ../shared.mk

tests/bindings-test/dotnet/macOS/Makefile

@@ -0,0 +1 @@
+include ../shared.mk

tests/bindings-test/dotnet/shared.mk

@@ -0,0 +1,28 @@
+TOP=../../../..
+include $(TOP)/Make.config
+include $(TOP)/mk/colors.mk
+
+prepare:
+	$(Q) $(MAKE) -C $(TOP)/tests/dotnet copy-dotnet-config
+
+reload:
+	$(Q) $(MAKE) -C $(TOP) -j8 all
+	$(Q) $(MAKE) -C $(TOP) -j8 install
+	$(Q) git clean -xfdq
+
+reload-and-build:
+	$(Q) $(MAKE) reload
+	$(Q) $(MAKE) build
+
+reload-and-run:
+	$(Q) $(MAKE) reload
+	$(Q) $(MAKE) run
+
+build: prepare
+	$(Q) $(DOTNET6) build /bl *.csproj $(MSBUILD_VERBOSITY) $(BUILD_ARGUMENTS)
+
+run: prepare
+	$(Q) $(DOTNET6) build /bl *.csproj $(MSBUILD_VERBOSITY) $(BUILD_ARGUMENTS) -t:Run
+
+diag: prepare
+	$(Q) $(DOTNET6) build /v:diag msbuild.binlog

tests/bindings-test/dotnet/tvOS/Makefile

@@ -0,0 +1 @@
+include ../shared.mk