Update nfinst tests.

Belonging to [master]:
  - OpenModelica/OMCompiler#1990
  - OpenModelica/OpenModelica-testsuite#768

flattening/modelica/scodeinst/IfEquation1.mo

@@ -0,0 +1,27 @@
+// name: IfEquation1
+// keywords:
+// status: correct
+// cflags: -d=newInst
+//
+
+model IfEquation1
+  Real x;
+equation
+  if time > 1 then
+    x = 1.0;
+  else
+    x = 2.0;
+  end if;
+end IfEquation1;
+
+// Result:
+// class IfEquation1
+//   Real x;
+// equation
+//   if time > 1.0 then
+//     x = 2.0;
+//   else
+//     x = 1.0;
+//   end if;
+// end IfEquation1;
+// endResult

flattening/modelica/scodeinst/IfEquation2.mo

@@ -0,0 +1,29 @@
+// name: IfEquation2
+// keywords:
+// status: correct
+// cflags: -d=newInst
+//
+
+model IfEquation2
+  Real x;
+  parameter Boolean b;
+equation
+  if b then
+    x = 1.0;
+  else
+    x = 2.0;
+  end if;
+end IfEquation2;
+
+// Result:
+// class IfEquation2
+//   Real x;
+//   parameter Boolean b;
+// equation
+//   if b then
+//     x = 2.0;
+//   else
+//     x = 1.0;
+//   end if;
+// end IfEquation2;
+// endResult

flattening/modelica/scodeinst/Makefile

@@ -224,6 +224,8 @@ FunctionMultiOutput2.mo \
 FunctionMultiOutput3.mo \
 FunctionNoOutput1.mo \
 FunctionStreamPrefix.mo \
+IfEquation1.mo \
+IfEquation2.mo \
 IfEquationInvalidCond1.mo \
 ih1.mo \
 ih2.mo \