Add error test
diff --git a/vsprojects/buildtests_c.sln b/vsprojects/buildtests_c.sln
index 12a45ee..1f71f00 100644
--- a/vsprojects/buildtests_c.sln
+++ b/vsprojects/buildtests_c.sln
@@ -297,6 +297,17 @@
 		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "error_test", "vcxproj\test\error_test\error_test.vcxproj", "{42720233-A6D4-66BC-CCA2-06B57261D0B3}"
+	ProjectSection(myProperties) = preProject
+        	lib = "False"
+	EndProjectSection
+	ProjectSection(ProjectDependencies) = postProject
+		{17BCAFC0-5FDC-4C94-AEB9-95F3E220614B} = {17BCAFC0-5FDC-4C94-AEB9-95F3E220614B}
+		{29D16885-7228-4C31-81ED-5F9187C7F2A9} = {29D16885-7228-4C31-81ED-5F9187C7F2A9}
+		{EAB0A629-17A9-44DB-B5FF-E91A721FE037} = {EAB0A629-17A9-44DB-B5FF-E91A721FE037}
+		{B23D3D1A-9438-4EDA-BEB6-9A0A03D17792} = {B23D3D1A-9438-4EDA-BEB6-9A0A03D17792}
+	EndProjectSection
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fling_client", "vcxproj\test\fling_client\fling_client.vcxproj", "{0647D598-9611-F659-EA36-DF995C9F736B}"
 	ProjectSection(myProperties) = preProject
         	lib = "False"
@@ -2001,6 +2012,22 @@
 		{37166D50-3AAA-1156-19F6-5901DFA55172}.Release-DLL|Win32.Build.0 = Release|Win32
 		{37166D50-3AAA-1156-19F6-5901DFA55172}.Release-DLL|x64.ActiveCfg = Release|x64
 		{37166D50-3AAA-1156-19F6-5901DFA55172}.Release-DLL|x64.Build.0 = Release|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug|Win32.ActiveCfg = Debug|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug|x64.ActiveCfg = Debug|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release|Win32.ActiveCfg = Release|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release|x64.ActiveCfg = Release|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug|Win32.Build.0 = Debug|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug|x64.Build.0 = Debug|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release|Win32.Build.0 = Release|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release|x64.Build.0 = Release|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug-DLL|Win32.ActiveCfg = Debug|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug-DLL|Win32.Build.0 = Debug|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug-DLL|x64.ActiveCfg = Debug|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Debug-DLL|x64.Build.0 = Debug|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release-DLL|Win32.ActiveCfg = Release|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release-DLL|Win32.Build.0 = Release|Win32
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release-DLL|x64.ActiveCfg = Release|x64
+		{42720233-A6D4-66BC-CCA2-06B57261D0B3}.Release-DLL|x64.Build.0 = Release|x64
 		{0647D598-9611-F659-EA36-DF995C9F736B}.Debug|Win32.ActiveCfg = Debug|Win32
 		{0647D598-9611-F659-EA36-DF995C9F736B}.Debug|x64.ActiveCfg = Debug|x64
 		{0647D598-9611-F659-EA36-DF995C9F736B}.Release|Win32.ActiveCfg = Release|Win32