feat: speed up integration tests

Author: mvestin

README.md

@@ -154,6 +154,19 @@ Sample skips:
 - `"Get/invalid_name"` skips the "invalid name" test for Get standard method.
 - `"Get"` skips all tests for a Get standard method.
 
+### Parallel tests
+
+The `*testing.T` passed to each config provider method is the subtest's
+`*testing.T`. To run resource tests in parallel, call `t.Parallel()` at the top
+of each provider method:
+
+```go
+func (a *myTests) FreightServiceShipper(t *testing.T) *examplefreightv1.FreightServiceShipperTestSuiteConfig {
+    t.Parallel()
+    // ...
+}
+```
+
 ## Suites
 
 <!-- BEGIN suites -->

internal/aiptest/list/deleted.go

@@ -28,7 +28,8 @@ var deleted = suite.Test{
 			listMethod.Output.Desc,
 			scope.Resource,
 		).Name()))
-		f.P("const deleteCount = 5")
+		// deleteCount needs to be lower than the resourcesCounts in list.go
+		f.P("const deleteCount = 3")
 		f.P("for i := 0; i < deleteCount; i++ {")
 		util.MethodDelete{
 			Method:      deleteMethod,

internal/aiptest/list/list.go

@@ -29,7 +29,7 @@ var withResourcesGroup = suite.TestGroup{
 		onlyif.HasParent,
 	),
 	GenerateBefore: func(f *protogen.GeneratedFile, scope suite.Scope) error {
-		f.P("const resourcesCount = 15")
+		f.P("const resourcesCount = 5")
 		f.P("parent := ", ident.FixtureNextParent, "(t, true)")
 		f.P("parentMsgs := make([]*", scope.Message.GoIdent, ", resourcesCount)")
 		f.P("for i := 0; i < resourcesCount; i++ {")
@@ -53,7 +53,7 @@ var withDeletedResourcesGroup = suite.TestGroup{
 		onlyif.HasParent,
 	),
 	GenerateBefore: func(f *protogen.GeneratedFile, scope suite.Scope) error {
-		f.P("const resourcesCount = 15")
+		f.P("const resourcesCount = 5")
 		f.P("parent := ", ident.FixtureNextParent, "(t, true)")
 		f.P("parentMsgs := make([]*", scope.Message.GoIdent, ", resourcesCount)")
 		f.P("for i := 0; i < resourcesCount; i++ {")