[extension-selenium] Gracefully handle interactions with non-started proxy

[valfirst]

Fixes #1169

[codecov]

Codecov Report

Merging #1177 (8787789) into master (1583120) will decrease coverage by 4.06%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master    #1177      +/-   ##
============================================
- Coverage     95.52%   91.45%   -4.07%     
- Complexity     4717     4853     +136     
============================================
  Files           623      623              
  Lines         12840    12845       +5     
  Branches        930      930              
============================================
- Hits          12265    11748     -517     
- Misses          448      962     +514     
- Partials        127      135       +8     

Impacted Files	Coverage Δ	Complexity Δ
...elenium/src/main/java/org/vividus/proxy/Proxy.java	100.00% <100.00%> (ø)	25.00 <12.00> (+4.00)
.../main/java/org/vividus/runner/BddStepsCounter.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...n/java/org/vividus/runner/BddScenariosCounter.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...n/java/org/vividus/runner/KnownIssueValidator.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...g/vividus/runner/VividusInitializationChecker.java	0.00% <0.00%> (-100.00%)	0.00% <0.00%> (ø%)
...java/org/vividus/bdd/steps/VariableComparator.java	5.88% <0.00%> (-94.12%)	1.00% <0.00%> (+1.00%)	⬇️
...main/java/org/vividus/bdd/StatusStoryReporter.java	6.66% <0.00%> (-93.34%)	1.00% <0.00%> (+1.00%)	⬇️
vividus/src/main/java/org/vividus/bdd/Status.java	0.00% <0.00%> (-92.86%)	0.00% <0.00%> (ø%)
...c/main/java/org/vividus/configuration/Vividus.java	0.00% <0.00%> (-92.00%)	0.00% <0.00%> (ø%)
...c/main/java/org/vividus/bdd/steps/AssertSteps.java	10.00% <0.00%> (-90.00%)	1.00% <0.00%> (+1.00%)	⬇️
... and 22 more

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication