core: Correct schema for TestContext2Apply_issue5254

This test is now failing due to the fact that WritePlan is currently
disabled pending a rewrite. This will be addressed in a subsequent commit.

terraform/context_apply_test.go

@@ -8615,9 +8615,18 @@ func TestContext2Apply_issue7824(t *testing.T) {
 	p.ResourcesReturn = append(p.ResourcesReturn, ResourceType{
 		Name: "template_file",
 	})
-
 	p.ApplyFn = testApplyFn
 	p.DiffFn = testDiffFn
+	p.GetSchemaReturn = &ProviderSchema{
+		ResourceTypes: map[string]*configschema.Block{
+			"template_file": {
+				Attributes: map[string]*configschema.Attribute{
+					"template": {Type: cty.String, Optional: true},
+					"__template_requires_new": {Type: cty.Bool, Optional: true},
+				},
+			},
+		},
+	}
 
 	// Apply cleanly step 0
 	ctx := testContext2(t, &ContextOpts{

terraform/test-fixtures/issue-5254/step-0/main.tf

@@ -3,7 +3,7 @@ variable "c" {
 }
 
 resource "template_file" "parent" {
-  count    = "${var.c}"
+  count    = var.c
   template = "Hi"
 }
 

terraform/test-fixtures/issue-5254/step-1/main.tf

@@ -3,11 +3,11 @@ variable "c" {
 }
 
 resource "template_file" "parent" {
-  count = "${var.c}"
+  count    = var.c
   template = "Hi"
 }
 
 resource "template_file" "child" {
-  template = "${join(",", template_file.parent.*.template)}"
-  __template_requires_new = 1
+  template                = join(",", template_file.parent.*.template)
+  __template_requires_new = true
 }