This is a test of whether a country can transition to a better place.

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Insiders say that this is a test run for a much larger cashless-payment system.

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And more broadly, as the American people are watching this, do you think that this is a test of your leadership?

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This is a test of whether the world can work together.

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Unfortunately, this is a test of patience with a dial-up connection.

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In my opinion, this is the test of our generation.

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This is a test.

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Now, this is perhaps the toughest test so far because there is one point separating Mr. Calderon, from the Conservative National Election Party, and Mr. Lopez Obrador, from the leftist Party of the Democratic Revolution.

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The caveat to this is that the test did not separate 4G coverage from 3G.

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This test is designed to address situations where neither social nor algorithmic signals are sufficient.

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This is the real test of global economic co-operation for the rich countries: to lead by example.

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Mr. JOHN EDWARDS (Council on Foreign Relations): We believe this is a litmus test for our relationship with Russia.

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This is because a test ban raised some difficult technical challenges that needed to be surmounted before Senate approval.

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This is a stiff test that some big rowing individuals might wince at.

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"This is the big test, to win a European title, and it's the proper route to go down, " added Watt.

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For product features on an existing business, this is a performance test that compares various web page presentations against one another.

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It is this third test to which we now turn our attention.

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The forensic investigation of this nuclear test is only just getting underway.

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The real false positive rate for this test is not known yet.

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For the community of plant scientists, and its supporters in government and the wider world of science, this is a vital test of strength.

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"This is a grave test of China's diplomacy, " Prof Zhang warns.

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"This is a key test, not just for the black vote, but also a key test for the Democrats in terms of heading South, " she said.

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"I think this is a real test, " Mr Baird emphasised.

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That too could be what this test is all about.

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This test is a rather major advance in heart diagnostics.

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But, of course, this test is not without controversy.

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This trial is to test how effective they are.

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This is a weak test of trade diversion.

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This is the ultimate test of economic diplomacy and arguments about the peace dividend: does trade, once established politically, have the power to sustain itself and to maintain peaceful, open borders even as political environments change?

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The goal of this test is to help identify additional changes, on top of those improvements that we already know are needed, that should be made as we work to build a modern and fully accessible public emergency alert system.

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