Get rid of race condition in scale command int test

This test just runs cf scale appName and prints the current state of the
app without actually updating it, it still might display 0/0 memory
depending on the state of CAPI after the push.  Since this comes from
log cache there could be a delay

Co-authored-by: Jenna Goldstrich <jgoldstrich@pivotal.io>
Co-authored-by: Seth Boyles <sboyles@pivotal.io>

integration/v7/isolated/scale_command_test.go

@@ -125,8 +125,8 @@ var _ = Describe("scale command", func() {
 					Expect(processSummary.InstanceCount).To(Equal("1/1"))
 
 					instanceSummary := processSummary.Instances[0]
-					Expect(instanceSummary.Memory).To(MatchRegexp(`\d+(\.\d+)?[KMG]? of \d+[KMG]`))
-					Expect(instanceSummary.Disk).To(MatchRegexp(`\d+(\.\d+)?[KMG]? of \d+[KMG]`))
+					Expect(instanceSummary.Memory).To(MatchRegexp(`\d+(\.\d+)?[KMG]? of \d+?[KMG]?`))
+					Expect(instanceSummary.Disk).To(MatchRegexp(`\d+(\.\d+)?[KMG]? of \d+?[KMG]?`))
 
 					Expect(appTable.Processes[1].Type).To(Equal("console"))
 					Expect(appTable.Processes[1].InstanceCount).To(Equal("0/0"))