Fix unit tests following previous change

Author: SirLynix

tests/src/Tests/BranchTests.cpp

@@ -305,7 +305,10 @@ fn main() -> Output
 		ExpectGLSL(*shaderModule, R"(
 void main()
 {
-	discard;
+	{
+		discard;
+	}
+
 	Output output_;
 	output_.color = vec4(1.0, 1.0, 1.0, 1.0);
 
@@ -318,7 +321,10 @@ void main()
 [entry(frag)]
 fn main() -> Output
 {
-	discard;
+	{
+		discard;
+	}
+
 	let output: Output;
 	output.color = vec4[f32](1.0, 1.0, 1.0, 1.0);
 	return output;

tests/src/Tests/ConstTests.cpp

@@ -118,7 +118,10 @@ external
 fn main()
 {
 	let value: f32;
-	value = f32(data.value);
+	{
+		value = f32(data.value);
+	}
+
 }
 )");
 		}
@@ -144,7 +147,10 @@ external
 fn main()
 {
 	let value: f32;
-	value = data.value;
+	{
+		value = data.value;
+	}
+
 }
 )");
 		}