[metrics-bigtable] Run IT tests in the Bigtable emulator.

[hexedpackets]

No description provided.

[codecov]

Codecov Report

Merging #647 into master will increase coverage by 0.83%.
The diff coverage is 87.83%.

@@             Coverage Diff              @@
##             master     #647      +/-   ##
============================================
+ Coverage     53.05%   53.89%   +0.83%     
- Complexity     2939     2962      +23     
============================================
  Files           726      726              
  Lines         19526    19413     -113     
  Branches       1289     1276      -13     
============================================
+ Hits          10359    10462     +103     
+ Misses         8727     8507     -220     
- Partials        440      444       +4     

Impacted Files	Coverage Δ	Complexity Δ
...ic/analytics/bigtable/BigtableMetricAnalytics.java	21.87% <0.00%> (ø)	3.00 <0.00> (ø)
...igtable/api/BigtableTableTableAdminClientImpl.java	90.90% <ø> (+90.90%)	4.00 <0.00> (+4.00)
...ic/analytics/bigtable/BigtableAnalyticsModule.java	64.91% <83.33%> (+0.91%)	9.00 <3.00> (ø)
...oic/metric/bigtable/BigtableConnectionBuilder.java	94.44% <91.66%> (+94.44%)	3.00 <2.00> (+3.00)
...ify/heroic/metric/bigtable/BigtableConnection.java	93.75% <93.75%> (ø)	5.00 <5.00> (?)
...m/spotify/heroic/test/AbstractMetricBackendIT.java	98.23% <100.00%> (ø)	27.00 <6.00> (-1.00)
...potify/heroic/metric/bigtable/BigtableBackend.java	91.63% <100.00%> (ø)	57.00 <3.00> (ø)
...y/heroic/metric/bigtable/BigtableMetricModule.java	79.71% <100.00%> (+7.10%)	5.00 <0.00> (ø)
...com/spotify/heroic/aggregation/simple/MaxBucket.kt	44.44% <0.00%> (-11.12%)	4.00% <0.00%> (-1.00%)
... and 13 more

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[dmichel1]

LGTM - I had one comment about the docs that should be addressed.