Make lots of tests run in parallel

Putting t.Parallel() in each test makes them run in parallel.
Additional t.Parallel() could be added to each subtest, although
that requires making a local copy of the loop variable for
table driven tests.

Test: m checkbuild
Change-Id: I5d9869ead441093f4d7c5757f2447385333a95a4

sdk/bp_test.go

@@ -180,6 +180,7 @@ func (t removeFredTransformation) transformPropertySetAfterContents(name string,
 }
 
 func TestTransformRemoveProperty(t *testing.T) {
+	t.Parallel()
 
 	helper := &TestHelper{t}
 
@@ -195,6 +196,7 @@ func TestTransformRemoveProperty(t *testing.T) {
 }
 
 func TestTransformRemovePropertySet(t *testing.T) {
+	t.Parallel()
 
 	helper := &TestHelper{t}