[DO NOT MERGE] Drop php 7.0 bump phpunit7 20190731

[phil-davis]

Description

Combination of
#35786 "drop PHP 7.0"
#34921 Bump phpunit7 (backport)
Extra commit: "Update method signatures for EncryptionTrait markTestSkipped and assertTrue" to fix a problem reported in the encryption unit test code (which is not in master), to fix:

PHP Fatal error:  Declaration of Test\Traits\EncryptionTrait::markTestSkipped(string $message = '') must be compatible with PHPUnit\Framework\Assert::markTestSkipped(string $message = ''): void in /home/phil/git/owncloud/core/apps/dav/tests/unit/Connector/Sabre/RequestTest/EncryptionUploadTest.php on line 36
PHP Fatal error:  Declaration of Test\Traits\EncryptionTrait::assertTrue($condition, $message = '') must be compatible with PHPUnit\Framework\Assert::assertTrue($condition, string $message = ''): void in /home/phil/git/owncloud/core/apps/dav/tests/unit/Connector/Sabre/RequestTest/EncryptionUploadTest.php on line 36

Related Issue

Motivation and Context

See if it passes all together.

How Has This Been Tested?

CI

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Database schema changes (next release will require increase of minor version instead of patch)
• Breaking change (fix or feature that would cause existing functionality to change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation ticket raised:

[codecov]

Codecov Report

Merging #35962 into master will decrease coverage by 0.36%.
The diff coverage is 77.77%.

@@             Coverage Diff              @@
##             master   #35962      +/-   ##
============================================
- Coverage      65.4%   65.03%   -0.37%     
+ Complexity    20197    19430     -767     
============================================
  Files          1299     1296       -3     
  Lines         76762    76377     -385     
  Branches       1301     1301              
============================================
- Hits          50203    49675     -528     
- Misses        26174    26317     +143     
  Partials        385      385

Flag	Coverage Δ	Complexity Δ
#javascript	53.85% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	66.23% <77.77%> (-0.4%)	19430 <18> (-767)

Impacted Files	Coverage Δ	Complexity Δ
lib/private/DB/ConnectionFactory.php	89.85% <ø> (+6.96%)	20 <0> (-1)	⬇️
index.php	0% <0%> (ø)	0 <0> (ø)	⬇️
console.php	0% <0%> (ø)	0 <0> (ø)	⬇️
...s/comments/tests/unit/Dav/EntityCollectionTest.php	100% <100%> (ø)	8 <7> (ø)	⬇️
lib/private/DB/MySqlTools.php	88.46% <82.35%> (+88.46%)	11 <11> (+7)	⬆️
...aring/appinfo/Migrations/Version20190410160725.php	75% <0%> (-25%)	4% <0%> (+2%)
core/Application.php	25.47% <0%> (-13.76%)	1% <0%> (-24%)
apps/files/lib/AppInfo/Application.php	30.55% <0%> (-9.93%)	1% <0%> (-6%)
settings/Application.php	51.44% <0%> (-8.75%)	2% <0%> (-39%)
...e/AppFramework/DependencyInjection/DIContainer.php	64.84% <0%> (-8.05%)	15% <0%> (-66%)
... and 201 more

---

Continue to review full report at Codecov.

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #35962 into master will decrease coverage by 0.36%.
The diff coverage is 77.77%.

@@             Coverage Diff              @@
##             master   #35962      +/-   ##
============================================
- Coverage      65.4%   65.03%   -0.37%     
+ Complexity    20197    19430     -767     
============================================
  Files          1299     1296       -3     
  Lines         76762    76377     -385     
  Branches       1301     1301              
============================================
- Hits          50203    49675     -528     
- Misses        26174    26317     +143     
  Partials        385      385

Flag	Coverage Δ	Complexity Δ
#javascript	53.85% <ø> (ø)	0 <ø> (ø)	⬇️
#phpunit	66.23% <77.77%> (-0.4%)	19430 <18> (-767)

Impacted Files	Coverage Δ	Complexity Δ
lib/private/DB/ConnectionFactory.php	89.85% <ø> (+6.96%)	20 <0> (-1)	⬇️
index.php	0% <0%> (ø)	0 <0> (ø)	⬇️
console.php	0% <0%> (ø)	0 <0> (ø)	⬇️
...s/comments/tests/unit/Dav/EntityCollectionTest.php	100% <100%> (ø)	8 <7> (ø)	⬇️
lib/private/DB/MySqlTools.php	88.46% <82.35%> (+88.46%)	11 <11> (+7)	⬆️
...aring/appinfo/Migrations/Version20190410160725.php	75% <0%> (-25%)	4% <0%> (+2%)
core/Application.php	25.47% <0%> (-13.76%)	1% <0%> (-24%)
apps/files/lib/AppInfo/Application.php	30.55% <0%> (-9.93%)	1% <0%> (-6%)
settings/Application.php	51.44% <0%> (-8.75%)	2% <0%> (-39%)
...e/AppFramework/DependencyInjection/DIContainer.php	64.84% <0%> (-8.05%)	15% <0%> (-66%)
... and 201 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4e2d11f...f5d3953. Read the comment docs.

[phil-davis]

ToDo: rebase this and sort out the drone.yml changes

[phil-davis]

See PR #36290 for a rebased-updated version that works with the new drone starlark CI code.